๐ŸŒธ Duel Monsters 4 โ€” Companion

a player's companion to the English translation

๐Ÿ”คReading a Card

The legend everything else borrows from. A player who reads only one page reads this one.

SymbolMeaning
โš”attack power
๐Ÿ›กdefense power
โ‰ค / โ‰ฅat most / at least, in effect conditions
โ€ปthis card has an entry in Card Notes

Levels

Card text speaks in levels: โ€œboosts allied Magnets #2 by 1 level.โ€ One level is +500 โš” and +500 ๐Ÿ›ก. VERIFIED No monster can ever sit more than 2 levels above its printed self โ€” every โ€œup to 2โ€ in card text is this same universal cap.

โ€œ-kinโ€

When a card says White-kin or Black-kin, it means alignment, not type. The suffix -kin always means alignment โ€” the in-game card screen itself prints alignments this way: a Wind monster's panel reads โ€œWind-Kinโ€.

Card links

Wherever these pages name a card, hover it (tap on mobile) to see its in-game card screen: ๐ŸŽดLeviathanLeviathan โ€” Effect Monster (Sea-Dragon) [Water-Kin] โ€” Level 6 โ€” Cost 43 โ€” ATK 1800 / DEF 1500 โ€” Unleashes all-consuming tsunami, transforming the battlefield into Sea. โ€ป Y

hover art:

The fusion variants recolour the card frames of the 117 fusion-made monsters (the fusioncolor / fusioncolortiers add-ons); every other card, and the official-name previews, keep their normal art.

๐ŸŒ—Alignments

Printed right under a monster's type, in this translation's names. Alignments beat and lose to each other in fixed cycles.

WhiteBlackDemonIllusionGodlyThunderWaterFireEarthWindForest
This translationDM4 cartridgeJP
WhiteLightใ—ใ‚shiro
BlackShadowใใ‚kuro
DemonFiendใ‚ใใพakuma
IllusionDreamsใ’ใ‚“ใใ†gensล
GodlyDivineใ‹ใฟkami
โ€ฆThunder, Water, Fire, Earth, Wind, Forest keep their cartridge names

The advantage cycle

Fire โ–ธ Forest โ–ธ Wind โ–ธ Earth โ–ธ Thunder โ–ธ Water โ–ธ Fire
Black โ–ธ White โ–ธ Demon โ–ธ Illusion โ–ธ Black
each โ–ธ means "beats" ยท Godly stands outside both cycles โ€” no automatic edge either way

๐Ÿ‰Types

The renamed types, mapped to the official names you may know. Types that match official names arenโ€™t listed.

This translationOfficial (TCG)JP
MagicianSpellcasterใพใปใ†ใคใ‹ใ„mahลtsukai
UndeadZombieใ‚ขใƒณใƒ‡ใƒƒใƒˆandetto
DemonFiendใ‚ใใพakuma
AngelFairyใฆใ‚“ใ—tenshi
Bird-BeastWinged Beastใกใ‚‡ใ†ใ˜ใ‚…ใ†chลjลซ
Sea-DragonSea Serpentใ‹ใ„ใ‚Šใ‚…ใ†kairyลซ
LightningThunderใ„ใ‹ใšใกikazuchi
WaterAquaใฟใšmizu
FirePyroใปใฎใŠhonล
StoneRockใŒใ‚“ใ›ใganseki

Official English used โ€œThunderโ€ for both the type ใ„ใ‹ใšใก and the alignment ใ‹ใฟใชใ‚Š; here they stay distinct as Lightning and Thunder.

โ›ฐFields

The game tells you what terrains do โ€” what it can't tell you is that three of them used to go by other names. The mapping is the point; the effects are a friendly reminder.

This translationCartridgeJP
GrasslandSogenใใ†ใ’ใ‚“sลgen
SeaUmiใ†ใฟumi
DarknessYamiใ‚„ใฟyami
Arena, Forest, Wasteland, Mountain keep their names

What they do (each field card's own text โ€” the workbook's word; corrections welcome)

TerrainThe card says
Arena (neutral)โ€”
๐ŸŽดForestForest โ€” Magic (Magic) โ€” Cost 40 โ€” This forest boosts Beast, Beast-Warrior, Insect, & Plant monsters by 30%. (330)This forest boosts Beast, Beast-Warrior, Insect, & Plant monsters by 30%.
๐ŸŽดWastelandWasteland โ€” Magic (Magic) โ€” Cost 40 โ€” This wasteland boosts Dinosaur, Stone, & Undead monsters by 30%. (331)This wasteland boosts Dinosaur, Stone, & Undead monsters by 30%.
๐ŸŽดMountainMountain โ€” Magic (Magic) โ€” Cost 40 โ€” This mountain boosts Dragon, Lightning, & Bird-Beast monsters by 30%. (332)This mountain boosts Dragon, Lightning, & Bird-Beast monsters by 30%.
๐ŸŽดGrasslandGrassland โ€” Magic (Magic) โ€” Cost 40 โ€” This grassland boosts Beast-Warrior & Warrior monsters by 30%. (333)This grassland boosts Beast-Warrior & Warrior monsters by 30%.
๐ŸŽดSeaSea โ€” Magic (Magic) โ€” Cost 40 โ€” This sea boosts Water, Fish, Sea-Dragon, & Lightning, & weakens Machine & Fire, by 30%. (334)This sea boosts Water, Fish, Sea-Dragon, & Lightning, & weakens Machine & Fire, by 30%.
๐ŸŽดDarknessDarkness โ€” Magic (Magic) โ€” Cost 40 โ€” This void boosts Magician & Demon monsters by 30% but weakens Angel monsters by 30%. (335)This void boosts Magician & Demon monsters by 30% but weakens Angel monsters by 30%.

All six field cards are KJ โ€” the Yugi version bans every one of them, so a Yugi deck changes terrain only through monster effects.

Battlefield changers

These effects transform the terrain for the whole field.

  • 39 ๐ŸŽดCurse of DragonCurse of Dragon โ€” Effect Monster (Dragon) [Wind-Kin] โ€” Level 6 โ€” Cost 91 โ€” ATK 2000 / DEF 1500 โ€” Its Hell Flame incinerates battlefields, converting them into Wasteland. Y pw 28279543
    Its Hell Flame incinerates battlefields, converting them into Wasteland.
    incinerates the battlefield into Wasteland.
  • 73 ๐ŸŽดLeviathanLeviathan โ€” Effect Monster (Sea-Dragon) [Water-Kin] โ€” Level 6 โ€” Cost 43 โ€” ATK 1800 / DEF 1500 โ€” Unleashes all-consuming tsunami, transforming the battlefield into Sea. โ€ป Y pw 76634149
    Unleashes all-consuming tsunami, transforming the battlefield into Sea. โ€ป
    transforms the battlefield into Sea.
  • 74 ๐ŸŽดGiant Lithic SoldierGiant Lithic Soldier โ€” Effect Monster (Stone) [Earth-Kin] โ€” Level 6 โ€” Cost 91 โ€” ATK 1300 / DEF 2000 โ€” It shakes the earth, resetting all terrain to neutral Arena. โ€ป Y pw 13039848
    It shakes the earth, resetting all terrain to neutral Arena. โ€ป
    resets all terrain to neutral Arena.
  • 83 ๐ŸŽดCastle of Concealing DarknessCastle of Concealing Darkness โ€” Effect Monster (Demon) [Black-Kin] โ€” Level 8 โ€” Cost 27 โ€” ATK 1200 / DEF 2500 โ€” It cloaks the battlefield in Darkness, transforming it, and shrouding your cards face-down.โ€ป K pw 00062121
    It cloaks the battlefield in Darkness, transforming it, and shrouding your cards face-down.โ€ป
    transforms the battlefield into Darkness and shrouds your cards face-down.
  • 525 ๐ŸŽดMountain SpiritMountain Spirit โ€” Effect Monster (Magician) [Earth-Kin] โ€” Level 6 โ€” Cost 43 โ€” ATK 1300 / DEF 1800 โ€” The spirit uses its hand-held flute to transform the battlefield into Mountain. YKJ pw 34690519
    The spirit uses its hand-held flute to transform the battlefield into Mountain.
    transforms the battlefield into Mountain.
  • 637 ๐ŸŽดTrentTrent โ€” Effect Monster (Plant) [Forest-Kin] โ€” Level 6 โ€” Cost 43 โ€” ATK 1500 / DEF 1800 โ€” This great tree guards the spirit forest. It transforms the field into a Forest. YKJ pw 78780140
    This great tree guards the spirit forest. It transforms the field into a Forest.
    transforms the field into Forest.

No changer for Grassland has surfaced in the card texts.

๐Ÿ“Card Notes

The catch-all for the โ€ป marks: every marked card that doesn't belong to a section of its own is documented here โ€” nothing is sampled, nothing missing.

Secret effects

Five cards have effects their text does not describe.

  • 21 ๐ŸŽดSealed ExodiaSealed Exodia โ€” Monster (Magician) [Black-Kin] โ€” Level 3 โ€” Cost 137 โ€” ATK 1000 / DEF 1000 โ€” When all the chained arms and legs are assembled, the seal breaks. โ€ป Y pw 33396948
    When all the chained arms and legs are assembled, the seal breaks. โ€ป
    the seal breaks when all five pieces (17โ€“21) sit in your hand at once: you win. The check runs once per turn, at the start of the holder's turn โ€” draw the fifth piece and the duel ends right there, but assemble the set mid-turn (a Transparent Angel draw) and the win waits for your next turn to come around. Verified in-game; the hand sweep is routine 8:$46A5, and each side has its own check.
  • 278 ๐ŸŽดPetit MothPetit Moth โ€” Monster (Insect) [Forest-Kin] โ€” Level 1 โ€” Cost 16 โ€” ATK 300 / DEF 200 โ€” This tiny larva will become some kind of bug, but its adult form is unknown. โ€ป J / 72 ๐ŸŽดEvolution CocoonEvolution Cocoon โ€” Monster (Insect) [Forest-Kin] โ€” Level 6 โ€” Cost 255 โ€” ATK 0 / DEF 2000 โ€” It takes in larvae and evolves them into adults. โ€ป J / 56 ๐ŸŽดLarva MothLarva Moth โ€” Monster (Insect) [Forest-Kin] โ€” Level 2 โ€” Cost 255 โ€” ATK 500 / DEF 400 โ€” Because it's a larva, it looks quite weak. It eventually grows into a colossal moth. โ€ป J / 57 ๐ŸŽดGreat MothGreat Moth โ€” Monster (Insect) [Forest-Kin] โ€” Level 8 โ€” Cost 255 โ€” ATK 2600 / DEF 2500 โ€” This giant moth attacks by scattering scale dust. It's especially powerful in forests. โ€ป J โ€” the moth line: play Petit Moth and keep it alive. Each of your turns that begins with it in play, it climbs one step of the chain โ€” no combining, it simply progresses. Great Moth is only the penultimate stage; the chain capstones in Ultimate Perfect Great Moth (67) J. And the chain can be entered anywhere: summon any stage directly and it evolves on your next turn exactly as if it had climbed from Petit Moth.

"Strongest monster" effects

Several cards act on the strongest enemy monster. The pick, verified in the disassembly (one routine at 3:$51D2 serves every effect below โ€” the magic cards call it directly, the monster effects reach it through the far-call table): the enemy monster zones are scanned left to right comparing each monster's current โš” โ€” buffs included โ€” and an equal value replaces the running best, so ties go to the rightmost qualifying monster. Face-down monsters are eligible; the check ignores hiddenness entirely. DM3 chose differently.

One family-wide caveat (per mantidactyle): the pick reads duel memory, and duel memory survives a soft reset. Start a new game immediately after a duel by soft-resetting โ€” a convenience emulators and flashcarts offer โ€” and stale values can mistarget these effects. A cartridge offers no way to soft-reset โ€” DM4 skips the classic A+B+Start+Select combo (checked: nothing in the ROM reads the joypad for it, and holding it does nothing) โ€” so powering off takes the stale state with it.

  • 135 ๐ŸŽดArm of the DeadArm of the Dead โ€” Effect Monster (Undead) [Demon-Kin] โ€” Level 2 โ€” Cost 37 โ€” ATK 600 / DEF 600 โ€” Seizes the strongest enemy monster & drags both victim and itself to the grave together. โ€ป Y pw 52800428
    Seizes the strongest enemy monster & drags both victim and itself to the grave together. โ€ป
    seizes the strongest enemy monster and takes it to the graveyard along with itself.
  • 610 ๐ŸŽดElectric LizardElectric Lizard โ€” Effect Monster (Lightning) [Thunder-Kin] โ€” Level 3 โ€” Cost 65 โ€” ATK 850 / DEF 800 โ€” Prevents the currently strongest enemy monster from acting next turn. โ€ป YKJ pw 55875323
    Prevents the currently strongest enemy monster from acting next turn. โ€ป
    the strongest enemy monster cannot act next turn. Face-down monsters can be picked, like all effects of this family.
  • 725 ๐ŸŽดBow-Drawing MermaidBow-Drawing Mermaid โ€” Effect Monster (Water) [Water-Kin] โ€” Level 5 โ€” Cost 7 โ€” ATK 1400 / DEF 1500 โ€” Weakens the strongest enemy monster by 1 level and prevents it from acting for 1 turn. โ€ป K pw 65570596
    Weakens the strongest enemy monster by 1 level and prevents it from acting for 1 turn. โ€ป
    freezes the highest-โš” enemy monster during the opponent's turn and weakens it by 1 level (โˆ’500 โš” / โˆ’500 ๐Ÿ›ก), revealing it if it was hidden. Verified per mantidactyle.
  • 781 ๐ŸŽดBrain ControlBrain Control โ€” Magic (Magic) โ€” Cost 200 โ€” Take control of the opponent's strongest monster until the end of turn. โ€ป Y pw 87910978
    Take control of the opponent's strongest monster until the end of turn. โ€ป
    take control of the opponent's strongest monster until end of turn. Verified. Sacrificing is a free action, so the stolen monster can simply be fed to a ritual or tribute โ€” a removal spell with upside.
  • 784 ๐ŸŽดChange of HeartChange of Heart โ€” Magic (Magic) โ€” Cost 255 โ€” Make the opponent's strongest monster into your ally for the remainder of the duel. โ€ป J pw 04031928
    Make the opponent's strongest monster into your ally for the remainder of the duel. โ€ป
    take the opponent's strongest monster for the rest of the duel.
  • 898 ๐ŸŽดBeckoning to DarknessBeckoning to Darkness โ€” Magic (Magic) โ€” Cost 15 โ€” Destroys the strongest enemy monster on the field. โ€ป J pw 08065530
    Destroys the strongest enemy monster on the field. โ€ป
    destroys the strongest enemy monster; the soft-reset caveat above is most often reported against this card.
  • 731 ๐ŸŽดSacrificeSacrifice โ€” Effect Monster (Magician) [Godly-Kin] โ€” Level 1 โ€” Cost 255 โ€” ATK 0 / DEF 0 โ€” With its evil eye's magic, it steals and becomes the foe's strongest monster. โ€ป โ€” pw 64631466
    With its evil eye's magic, it steals and becomes the foe's strongest monster. โ€ป
    while hidden, absorbs the strongest enemy monster โ€” the victim is chosen by the same routine as everything above.
  • 734 ๐ŸŽดThousand-Eyes SacrificeThousand-Eyes Sacrifice โ€” Effect Monster (Magician) [Godly-Kin] โ€” Level 1 โ€” Cost 255 โ€” ATK 0 / DEF 0 โ€” It steals and becomes the foe's strongest monster, and gains 2 levels. โ€ป โ€” pw 63519819
    It steals and becomes the foe's strongest monster, and gains 2 levels. โ€ป
    the fusion-only heir to Sacrifice's absorb, same pick. This card is approximately useless to you: it can never be decked โ€” it exists only as a fusion โ€” and its effect only fires while it is hidden (face-down, or freshly played before you pass). But fusion never yields a hidden monster, and its material Sacrifice arrives via ritual, already on the field. The only ways its effect ever fires: the AI cheats (one duelist simply has it in deck), or a flip-face-down effect re-hides it โ€” your own Castle of Concealing Darkness (83) K does exactly that. One of the weirdest things in the game.

The graveyard

The graveyard in this game holds exactly one card per side: the most recent monster sent there. Every graveyard effect reads accordingly.

  • 834 ๐ŸŽดWinged Divine Dragon of RaWinged Divine Dragon of Ra โ€” Effect Monster (Machine) [Godly-Kin] โ€” Level 12 โ€” Cost 50 โ€” ATK 4000 / DEF 4000 โ€” Summon from foe's graveyard, then yours, then steal monsters in โš” order. Destroy the rest. โ€ป J pw โ€”
    Summon from foe's graveyard, then yours, then steal monsters in โš” order. Destroy the rest. โ€ป
    summons from the opponent's graveyard, then from yours, then steals monsters in โš” order; destroys the rest.
  • 895 ๐ŸŽดRevival of the DeadRevival of the Dead โ€” Magic (Magic) โ€” Cost 60 โ€” Summon the monster most recently placed in the opposing graveyard, to your field. โ€ป Y pw 83764718
    Summon the monster most recently placed in the opposing graveyard, to your field. โ€ป
    summons the monster most recently placed in the opposing graveyard to your field.
  • 896 ๐ŸŽดGravedigger GhoulGravedigger Ghoul โ€” Magic (Magic) โ€” Cost 2 โ€” The gravedigger ghoul removes the card from each graveyard, if one is present. โ€ป J pw 82542267
    The gravedigger ghoul removes the card from each graveyard, if one is present. โ€ป
    removes the card from each graveyard, if one is present.

Paired boosters

Verified mutual boosts โ€” each of the pair boosts its partner by 1 level:

  • 12 ๐ŸŽดBarbarian #2Barbarian #2 โ€” Effect Monster (Warrior) [Black-Kin] โ€” Level 6 โ€” Cost 43 โ€” ATK 1800 / DEF 1500 โ€” Boosts allied Barbarian #1 by 1 level. โ€ป J โ†” 554 ๐ŸŽดBarbarian #1Barbarian #1 โ€” Effect Monster (Warrior) [Black-Kin] โ€” Level 6 โ€” Cost 43 โ€” ATK 1550 / DEF 1800 โ€” Boosts allied Barbarian #2 by 1 level. โ€ป J
  • 160 ๐ŸŽดMagnets #1Magnets #1 โ€” Effect Monster (Warrior) [Earth-Kin] โ€” Level 3 โ€” Cost 87 โ€” ATK 1000 / DEF 500 โ€” Boosts allied Magnets #2 by 1 level. โ€ป YKJ โ†” 161 ๐ŸŽดMagnets #2Magnets #2 โ€” Effect Monster (Warrior) [Earth-Kin] โ€” Level 3 โ€” Cost 87 โ€” ATK 500 / DEF 1000 โ€” Boosts allied Magnets #1 by 1 level. โ€ป K

Alignment cards

White-kin and Black-kin refer to the game's alignment system (the rock-paper-scissors attribute stand-in), not to your side of the field.

  • 492 ๐ŸŽดSuperstarSuperstar โ€” Effect Monster (Angel) [White-Kin] โ€” Level 3 โ€” Cost 47 โ€” ATK 500 / DEF 700 โ€” Boosts White-kin by 1 level and weakens Black-kin by 1 level. โ€ป YKJ pw 67629977
    Boosts White-kin by 1 level and weakens Black-kin by 1 level. โ€ป
    boosts every White-kin monster by 1 level and weakens every Black-kin monster by 1 level, on both sides of the field. Verified: the engine makes no friend/enemy distinction, although the original Japanese text claims allies only. In practice it rarely matters โ€” the enemy pool of light monsters is small.
  • 628 ๐ŸŽดApprentice WitchApprentice Witch โ€” Effect Monster (Magician) [Black-Kin] โ€” Level 2 โ€” Cost 33 โ€” ATK 550 / DEF 500 โ€” Boosts Black-kin by 1 level and weakens White-kin by 1 level. โ€ป YKJ pw 80741828
    Boosts Black-kin by 1 level and weakens White-kin by 1 level. โ€ป
    the inverse of Superstar: boosts Black-kin, weakens White-kin, same no-ally/enemy distinction. Verified.
  • 668 ๐ŸŽดShine CastleShine Castle โ€” Magic (Magic) โ€” Cost 100 โ€” The dazzling glow given off by this castle boosts White-kin monsters by 1 level. โ€ป K pw 82878489
    The dazzling glow given off by this castle boosts White-kin monsters by 1 level. โ€ป
    boosts one White-kin monster by 1 level. Exact eligibility under Buff Spells.

Trap zone

  • 224 ๐ŸŽดTrap MasterTrap Master โ€” Effect Monster (Warrior) [Black-Kin] โ€” Level 4 โ€” Cost 103 โ€” ATK 500 / DEF 1100 โ€” This guy's special skill creates a Sulfuric Acid Pitfall in the magic/trap zone. โ€ป YK pw 46461247
    This guy's special skill creates a Sulfuric Acid Pitfall in the magic/trap zone. โ€ป
    creates a Sulfuric Acid Pitfall (685) J in the magic/trap zone. Verified: it overwrites a trap already there.
  • 687 ๐ŸŽดTengu's FanTengu's Fan โ€” Trap (Trap) โ€” Cost 2 โ€” Reflects non-variable direct damage Magic (Sparks, Hellfire, etc.,) back to the opponent. โ€ป YKJ pw 04149689
    Reflects non-variable direct damage Magic (Sparks, Hellfire, etc.,) back to the opponent. โ€ป
    reflects the fixed-damage attack spells back at the opponent: Sparks (343, 50), Fireball (344, 100), Burning at the Stake (345, 200), Ceaseless Inferno (346, 500), Hellfire (347, 1000).
  • 782 ๐ŸŽดLightning RodLightning Rod โ€” Trap (Trap) โ€” Cost 20 โ€” Redirect opponent's Thunderbolt to destroy their monsters instead of yours. โ€ป YKJ pw 42364257
    Redirect opponent's Thunderbolt to destroy their monsters instead of yours. โ€ป
    redirects the opponent's Thunderbolt to destroy their monsters instead of yours.

โš”Buff Spells

All manual, single-target, +1 level. Texts describe targets approximately โ€” the real rule is a fixed list. Expand to see it.

What can this card wear?

Type a monster; get every buff spell that can target it.

301 ๐ŸŽดLegendary SwordLegendary Sword โ€” Magic (Magic) โ€” Cost 100 โ€” This sword draws out warriors' hidden power, boosting non-dark warriors by 1 level. โ€ป KJ pw 61854111
This sword draws out warriors' hidden power, boosting non-dark warriors by 1 level. โ€ป

Targets (86)
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302 ๐ŸŽดDark God-Breaking SwordDark God-Breaking Sword โ€” Magic (Magic) โ€” Cost 100 โ€” Empowers warriors corrupted by evil, boosting them by 1 level. โ€ป KJ pw 37120512
Empowers warriors corrupted by evil, boosting them by 1 level. โ€ป

Targets (76)
#CardInPassword

303 ๐ŸŽดDark EnergyDark Energy โ€” Magic (Magic) โ€” Cost 100 โ€” Empowers demons, etc., and dark monsters by 1 level. โ€ป K pw 04614116
Empowers demons, etc., and dark monsters by 1 level. โ€ป

Targets (348)
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304 ๐ŸŽดDaemonic AxeDaemonic Axe โ€” Magic (Magic) โ€” Cost 100 โ€” Unleashes the full potential of daemons and beast-warriors, etc., boosting them by 1 level. โ€ป KJ pw 40619825
Unleashes the full potential of daemons and beast-warriors, etc., boosting them by 1 level. โ€ป

Targets (89)
#CardInPassword

305 ๐ŸŽดLaser Cannon ArmorLaser Cannon Armor โ€” Magic (Magic) โ€” Cost 100 โ€” Equips insects, etc., with powerful laser cannons, boosting them by 1 level. โ€ป KJ pw 77007920
Equips insects, etc., with powerful laser cannons, boosting them by 1 level. โ€ป

Targets (162)
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306 ๐ŸŽดWeaponized Insect ArmorWeaponized Insect Armor โ€” Magic (Magic) โ€” Cost 100 โ€” Equips insects, etc., with scorching flamethrowers, boosting them by 1 level. โ€ป KJ pw 03492538
Equips insects, etc., with scorching flamethrowers, boosting them by 1 level. โ€ป

Targets (126)
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307 ๐ŸŽดElven LightElven Light โ€” Magic (Magic) โ€” Cost 100 โ€” This sacred light from spirits empowers elves, boosting them by 1 level. โ€ป KJ pw 39897277
This sacred light from spirits empowers elves, boosting them by 1 level. โ€ป

Targets (92)
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308 ๐ŸŽดFierce Beast's FangsFierce Beast's Fangs โ€” Magic (Magic) โ€” Cost 100 โ€” Empowers beasts, etc., and fanged creatures, boosting them by 1 level. โ€ป KJ pw 46009906
Empowers beasts, etc., and fanged creatures, boosting them by 1 level. โ€ป

Targets (262)
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309 ๐ŸŽดSteel ShellSteel Shell โ€” Magic (Magic) โ€” Cost 100 โ€” Hardens shells. Said to be useless without a shell. Boosts shelled monsters by 1 level. โ€ป KJ pw 02370081
Hardens shells. Said to be useless without a shell. Boosts shelled monsters by 1 level. โ€ป

Targets (21)
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310 ๐ŸŽดDemonic BacteriaDemonic Bacteria โ€” Magic (Magic) โ€” Cost 100 โ€” This demon-made bacteria enhances forest plants, boosting them by 1 level! โ€ป KJ pw 39774685
This demon-made bacteria enhances forest plants, boosting them by 1 level! โ€ป

Targets (34)
#CardInPassword

311 ๐ŸŽดBlack PendantBlack Pendant โ€” Magic (Magic) โ€” Cost 100 โ€” This pendant empowers dark magicians, etc., when worn, boosting them by 1 level. โ€ป KJ pw 65169794
This pendant empowers dark magicians, etc., when worn, boosting them by 1 level. โ€ป

Targets (151)
#CardInPassword

312 ๐ŸŽดSilver Bow and ArrowSilver Bow and Arrow โ€” Magic (Magic) โ€” Cost 100 โ€” This silver bow empowers angels, etc., when equipped, boosting them by 1 level. โ€ป KJ pw 01557499
This silver bow empowers angels, etc., when equipped, boosting them by 1 level. โ€ป

Targets (84)
#CardInPassword

313 ๐ŸŽดHorn of LightHorn of Light โ€” Magic (Magic) โ€” Cost 100 โ€” Empowers non-dark, horned monsters, boosting them by 1 level. โ€ป KJ pw 38552107
Empowers non-dark, horned monsters, boosting them by 1 level. โ€ป

Targets (66)
#CardInPassword

314 ๐ŸŽดUnicorn's HornUnicorn's Horn โ€” Magic (Magic) โ€” Cost 100 โ€” Empowers dark, head-horned monsters, boosting them by 1 level! โ€ป Y pw 64047146
Empowers dark, head-horned monsters, boosting them by 1 level! โ€ป

Targets (110)
#CardInPassword

315 ๐ŸŽดDragon's Secret TreasureDragon's Secret Treasure โ€” Magic (Magic) โ€” Cost 100 โ€” It is said this legendary treasure empowers any dragon, boosting them by 1 level. โ€ป KJ pw 01435851
It is said this legendary treasure empowers any dragon, boosting them by 1 level. โ€ป

Targets (90)
#CardInPassword

316 ๐ŸŽดElectric WhipElectric Whip โ€” Magic (Magic) โ€” Cost 100 โ€” This paralyzing electric whip empowers women, etc., boosting them by 1 level! โ€ป KJ pw 37820550
This paralyzing electric whip empowers women, etc., boosting them by 1 level! โ€ป

Targets (114)
#CardInPassword

317 ๐ŸŽดCyber BondageCyber Bondage โ€” Magic (Magic) โ€” Cost 100 โ€” Alters female monsters' personalities when worn, boosting them by 1 level. โ€ป KJ pw 63224564
Alters female monsters' personalities when worn, boosting them by 1 level. โ€ป

Targets (67)
#CardInPassword

318 ๐ŸŽดKaleidoscope ยท Gorgeous ClonesKaleidoscope ยท Gorgeous Clones โ€” Magic (Magic) โ€” Cost 2 โ€” Transforms Harpie Lady into Harpie Lady Sisters Trio. โ€ป YKJ pw 90219263
Transforms Harpie Lady into Harpie Lady Sisters Trio. โ€ป

Targets (1)
#CardInPassword

319 ๐ŸŽดBewitching MoonBewitching Moon โ€” Magic (Magic) โ€” Cost 100 โ€” Empowers beasts, etc., with lunar magic, making them fierce and boosting them by 1 level. โ€ป KJ pw 36607978
Empowers beasts, etc., with lunar magic, making them fierce and boosting them by 1 level. โ€ป

Targets (108)
#CardInPassword

321 ๐ŸŽดDemon's KissDemon's Kiss โ€” Magic (Magic) โ€” Cost 100 โ€” Grants demonic power to female, dark, etc., monsters, boosting them by 1 level. โ€ป KJ pw 99597615
Grants demonic power to female, dark, etc., monsters, boosting them by 1 level. โ€ป

Targets (170)
#CardInPassword

322 ๐ŸŽดAmethystAmethyst โ€” Magic (Magic) โ€” Cost 100 โ€” Through magic power hidden in the crystal: undead, etc., power up, boosting them by 1 level. โ€ป KJ pw 15052462
Through magic power hidden in the crystal: undead, etc., power up, boosting them by 1 level. โ€ป

Targets (96)
#CardInPassword

323 ๐ŸŽดEsoteric GrimoireEsoteric Grimoire โ€” Magic (Magic) โ€” Cost 100 โ€” This tome empowers non-wicked magicians, etc., boosting them by 1 level. โ€ป KJ pw 91595718
This tome empowers non-wicked magicians, etc., boosting them by 1 level. โ€ป

Targets (102)
#CardInPassword

324 ๐ŸŽดAwakeningAwakening โ€” Magic (Magic) โ€” Cost 100 โ€” Rouses lightning, stone, fire, etc., monsters, boosting them by 1 level. โ€ป KJ pw 98374133
Rouses lightning, stone, fire, etc., monsters, boosting them by 1 level. โ€ป

Targets (149)
#CardInPassword

325 ๐ŸŽดMachine Upgrade FactoryMachine Upgrade Factory โ€” Magic (Magic) โ€” Cost 100 โ€” A modification factory that tunes up any and all machines, boosting them by 1 level. โ€ป KJ pw 25769732
A modification factory that tunes up any and all machines, boosting them by 1 level. โ€ป

Targets (81)
#CardInPassword

326 ๐ŸŽดRising Body HeatRising Body Heat โ€” Magic (Magic) โ€” Cost 100 โ€” Solar heating invigorates cold-blooded dinosaurs, etc., boosting them by 1 level. โ€ป KJ pw 51267887
Solar heating invigorates cold-blooded dinosaurs, etc., boosting them by 1 level. โ€ป

Targets (117)
#CardInPassword

327 ๐ŸŽดFollow WindFollow Wind โ€” Magic (Magic) โ€” Cost 100 โ€” This favorable wind assists birds, etc., and flying things, boosting them by 1 level. โ€ป KJ pw 98252586
This favorable wind assists birds, etc., and flying things, boosting them by 1 level. โ€ป

Targets (162)
#CardInPassword

328 ๐ŸŽดPoseidon's StrengthPoseidon's Strength โ€” Magic (Magic) โ€” Cost 100 โ€” Poseidon empowers water, fish, sea-dragon, etc., monsters, boosting them by 1 level. โ€ป KJ pw 77027445
Poseidon empowers water, fish, sea-dragon, etc., monsters, boosting them by 1 level. โ€ป

Targets (131)
#CardInPassword

651 ๐ŸŽดChained BoomerangChained Boomerang โ€” Magic (Magic) โ€” Cost 100 โ€” This boomerang combines the 'Legendary Sword' and its dark foil, boosting warriors 1 level. โ€ป J pw 37390589
This boomerang combines the 'Legendary Sword' and its dark foil, boosting warriors 1 level. โ€ป

Targets (155)
#CardInPassword

652 ๐ŸŽดLabyrinth TransformationLabyrinth Transformation โ€” Magic (Magic) โ€” Cost 75 โ€” This card boosts a Labyrinth Wall exclusively by 1 level. YKJ pw 64389297
This card boosts a Labyrinth Wall exclusively by 1 level.

Targets (1)
#CardInPassword

654 ๐ŸŽดSalamandraSalamandra โ€” Magic (Magic) โ€” Cost 100 โ€” Salamandra's power dwells within fire-type monsters, boosting them by 1 level. โ€ป J pw 32268901
Salamandra's power dwells within fire-type monsters, boosting them by 1 level. โ€ป

Targets (44)
#CardInPassword

658 ๐ŸŽดMetallizationMetallization โ€” Magic (Magic) โ€” Cost 2 โ€” Transforms certain monsters into metal, mechanizing them. โ€ป KJ pw 68540058
Transforms certain monsters into metal, mechanizing them. โ€ป

Targets (2)
#CardInPassword

659 ๐ŸŽดAngel's TrumpetAngel's Trumpet โ€” Magic (Magic) โ€” Cost 100 โ€” This trumpet's far-reaching sound boosts angels, etc., by 1 level. โ€ป YKJ pw 94939166
This trumpet's far-reaching sound boosts angels, etc., by 1 level. โ€ป

Targets (33)
#CardInPassword

668 ๐ŸŽดShine CastleShine Castle โ€” Magic (Magic) โ€” Cost 100 โ€” The dazzling glow given off by this castle boosts White-kin monsters by 1 level. โ€ป K pw 82878489
The dazzling glow given off by this castle boosts White-kin monsters by 1 level. โ€ป

Targets (63)
#CardInPassword

900 ๐ŸŽด7 Card7 Card โ€” Magic (Magic) โ€” Cost 75 โ€” Boosts Slot Machine by 1 level. YKJ pw 86198326
Boosts Slot Machine by 1 level.

Targets (1)
#CardInPassword

YKJ solid = deckable from the start  ยท  dashed = unlocks after credits  ยท  absent = not deckable in that version

Cards with more going on than the standard buff:

  • 303 ๐ŸŽดDark EnergyDark Energy โ€” Magic (Magic) โ€” Cost 100 โ€” Empowers demons, etc., and dark monsters by 1 level. โ€ป K pw 04614116
    Empowers demons, etc., and dark monsters by 1 level. โ€ป
    the Japanese text says "boost by 500"; the engine works in levels, and this translation follows the engine.
  • 318 ๐ŸŽดKaleidoscope ยท Gorgeous ClonesKaleidoscope ยท Gorgeous Clones โ€” Magic (Magic) โ€” Cost 2 โ€” Transforms Harpie Lady into Harpie Lady Sisters Trio. โ€ป YKJ pw 90219263
    Transforms Harpie Lady into Harpie Lady Sisters Trio. โ€ป
    transforms Harpie Lady (62) J into Harpie Lady Sisters Trio (63) J. The catch: the Trio summoned this way emerges non-hidden, and its own, stronger boost effect only fires from hiding โ€” so it can never use it.
  • 320 ๐ŸŽดDefense SealDefense Seal โ€” Magic (Magic) โ€” Cost 10 โ€” Forces enemies into exposed attack mode and blocks all defensive positioning next turn. โ€ป J pw 63102017
    Forces enemies into exposed attack mode and blocks all defensive positioning next turn. โ€ป
    not a buff: forces all enemy monsters into attack mode, exposing them, and prevents the opponent from setting or switching anything to defense during their next turn.
  • 651 ๐ŸŽดChained BoomerangChained Boomerang โ€” Magic (Magic) โ€” Cost 100 โ€” This boomerang combines the 'Legendary Sword' and its dark foil, boosting warriors 1 level. โ€ป J pw 37390589
    This boomerang combines the 'Legendary Sword' and its dark foil, boosting warriors 1 level. โ€ป
    the Legendary Sword (301) KJ and the Dark God-Breaking Sword (302) KJ combined; boosts one warrior from either sword's domain by 1 level.
  • 658 ๐ŸŽดMetallizationMetallization โ€” Magic (Magic) โ€” Cost 2 โ€” Transforms certain monsters into metal, mechanizing them. โ€ป KJ pw 68540058
    Transforms certain monsters into metal, mechanizing them. โ€ป
    transforms Red-Eyes Black Dragon (82) J into Red-Eyes Black Metal Dragon (742) J, and Devilzoa (391) J into Metal Devilzoa (392) J.

๐Ÿ•ฏRituals

In-game, ritual texts ask for cards by this translation's names. If you know a card by its official name, this is the decoder โ€” a curated, ritual-shaped slice of Name Changes. Official names appear only where they differ.

#RitualSacrificeSummons
665๐ŸŽดMillennium Shield RitualMillennium Shield Ritual โ€” Ritual (Ritual) โ€” Cost 0 โ€” Sacrifice One-Eyed Shield Dragon and two other monsters to summon Millennium Shield. YKJ
Curse Millennium		๐ŸŽดOne-Eyed Shield DragonOne-Eyed Shield Dragon โ€” Monster (Dragon) [Wind-Kin] โ€” Level 4 โ€” Cost 140 โ€” ATK 700 / DEF 1300 โ€” Its shield both protects it and serves as a battering ram. (296) YKJ + any 2๐ŸŽดMillennium ShieldMillennium Shield โ€” Monster (Warrior) [Godly-Kin] โ€” Level 9 โ€” Cost 255 โ€” ATK 0 / DEF 3000 โ€” One of the millennium items, reportedly able to block extremely strong attacks. (362)
666๐ŸŽดYamadoran RitualYamadoran Ritual โ€” Ritual (Ritual) โ€” Cost 0 โ€” Sacrifice Mountain Warrior and two other monsters to summon Yamadoran. โ€ป YKJ
Yamadron Ritual		๐ŸŽดMountain WarriorMountain Warrior โ€” Monster (Beast-Warrior) [Earth-Kin] โ€” Level 3 โ€” Cost 87 โ€” ATK 600 / DEF 1000 โ€” This sturdy warrior moves with a confident 'gan-gan' even across treacherous terrain. (29) J + any 2๐ŸŽดYamadoranYamadoran โ€” Monster (Dragon) [Godly-Kin] โ€” Level 6 โ€” Cost 255 โ€” ATK 1600 / DEF 1800 โ€” It breathes fire successively from its three heads, turning the entire area into a sea of flames! (357)
Yamadron
667๐ŸŽดGate Guardian RitualGate Guardian Ritual โ€” Ritual (Ritual) โ€” Cost 0 โ€” Sacrifice Demon God Hyuga, Suuga, & Sanga to summon Gate Guardian. โ€ป YKJ๐ŸŽดHyuga the Wind Demon GodHyuga the Wind Demon God โ€” Monster (Magician) [Wind-Kin] โ€” Level 7 โ€” Cost 16 โ€” ATK 2400 / DEF 2200 โ€” Used by the Labyrinth Brothers, this demon god excels at wind manipulation. (372) J
Kazejin + ๐ŸŽดSuuga the Water Demon GodSuuga the Water Demon God โ€” Monster (Water) [Water-Kin] โ€” Level 8 โ€” Cost 27 โ€” ATK 2500 / DEF 2400 โ€” Used by the Labyrinth Brothers, this demon god excels at water attacks. (373) J
Suijin + ๐ŸŽดSanga the Thunder Demon GodSanga the Thunder Demon God โ€” Monster (Lightning) [Thunder-Kin] โ€” Level 8 โ€” Cost 41 โ€” ATK 2600 / DEF 2200 โ€” Used by the Labyrinth Brothers, this demon god excels at lightning attacks. (371) J		๐ŸŽดGate GuardianGate Guardian โ€” Monster (Warrior) [Godly-Kin] โ€” Level 11 โ€” Cost 255 โ€” ATK 3750 / DEF 3400 โ€” This combination of Sanga, Hyuga, and Suuga possesses power of the highest level. (374)
670๐ŸŽดRitual of ChaosRitual of Chaos โ€” Ritual (Ritual) โ€” Cost 0 โ€” Sacrifice Gaia the Dark Knight and two other monsters to summon Chaos Soldier. โ€ป Y
Black Luster Ritual		๐ŸŽดGaia the Dark KnightGaia the Dark Knight โ€” Monster (Warrior) [Black-Kin] โ€” Level 7 โ€” Cost 8 โ€” ATK 2300 / DEF 2100 โ€” Beware the charge of this knight riding a steed swifter than the wind. (38) Y + any 2
Gaia The Fierce Knight		๐ŸŽดChaos SoldierChaos Soldier โ€” Monster (Warrior) [Godly-Kin] โ€” Level 9 โ€” Cost 255 โ€” ATK 3000 / DEF 2500 โ€” This strongest of warriors' power matches that of the Blue-Eyes White Dragon. (364)
Black Luster Soldier
671๐ŸŽดZera RitualZera Ritual โ€” Ritual (Ritual) โ€” Cost 0 โ€” Sacrifice Powered Gargoyle and two other monsters to summon Zera. โ€ป YKJ๐ŸŽดPowered GargoylePowered Gargoyle โ€” Monster (Demon) [Demon-Kin] โ€” Level 5 โ€” Cost 14 โ€” ATK 1600 / DEF 1200 โ€” Be wary of this dark power-enhanced gargoyle's claws. (377) K + any 2
Ryu-Kishin Powered		๐ŸŽดZeraZera โ€” Monster (Demon) [Godly-Kin] โ€” Level 9 โ€” Cost 255 โ€” ATK 2800 / DEF 2300 โ€” This fierce monster uses its large frame and claws to savage opponents. (360)
673๐ŸŽดRitual of the LionRitual of the Lion โ€” Ritual (Ritual) โ€” Cost 0 โ€” Sacrifice Leogun and two other monsters to summon Super War-Lion. YKJ
War-Lion Ritual		๐ŸŽดLeogunLeogun โ€” Monster (Beast) [Earth-Kin] โ€” Level 6 โ€” Cost 34 โ€” ATK 1750 / DEF 1550 โ€” This majestic lion has a splendid mane and large body reminiscent of the king of beasts. (403) YKJ + any 2๐ŸŽดSuper War-LionSuper War-Lion โ€” Monster (Beast) [Godly-Kin] โ€” Level 7 โ€” Cost 255 โ€” ATK 2300 / DEF 2100 โ€” This ferocious lion tears opponents apart with sharp, extended claws. (356)
674๐ŸŽดDemonic Mirror RitualDemonic Mirror Ritual โ€” Ritual (Ritual) โ€” Cost 0 โ€” Sacrifice Absarbiter and two other monsters to summon Devil's Mirror. โ€ป YKJ
Beastly Mirror Ritual		๐ŸŽดAbsarbiterAbsarbiter โ€” Monster (Bird-Beast) [Illusion-Kin] โ€” Level 5 โ€” Cost 5 โ€” ATK 1300 / DEF 1400 โ€” It can suck its opponent into the world inside its mirror. (595) YKJ + any 2
Fiend Reflection #1		๐ŸŽดDevil's MirrorDevil's Mirror โ€” Monster (Demon) [Godly-Kin] โ€” Level 7 โ€” Cost 255 โ€” ATK 2100 / DEF 1800 โ€” This evil mirror sucks everything it reflects into the world within. (365)
Fiend's Mirror
675๐ŸŽดBlue-Eyes Ultimate Dragon RitualBlue-Eyes Ultimate Dragon Ritual โ€” Ritual (Ritual) โ€” Cost 0 โ€” Sacrifice three Blue-Eyes White Dragon to summon Blue-Eyes Ultimate Dragon. K
Ultimate Dragon		3 ร— ๐ŸŽดBlue-Eyes White DragonBlue-Eyes White Dragon โ€” Monster (Dragon) [White-Kin] โ€” Level 9 โ€” Cost 0 โ€” ATK 3000 / DEF 2500 โ€” This legendary dragon boasts tremendous attack power. (1) K๐ŸŽดBlue-Eyes Ultimate DragonBlue-Eyes Ultimate Dragon โ€” Monster (Dragon) [Godly-Kin] โ€” Level 11 โ€” Cost 255 โ€” ATK 4500 / DEF 3800 โ€” This ultimate dragon is formed by fusing three Blue-Eyes White Dragons. (380)
676๐ŸŽดInvocation Through DanceInvocation Through Dance โ€” Ritual (Ritual) โ€” Cost 0 โ€” Sacrifice Water Dancer and two other monsters to summon Dancing Soldier. โ€ป YKJ
Commencement Dance		๐ŸŽดWater DancerWater Dancer โ€” Monster (Water) [Water-Kin] โ€” Level 5 โ€” Cost 5 โ€” ATK 1400 / DEF 1200 โ€” It transforms water continuously flowing from its vessels into attacking dragons. (249) YKJ + any 2
Water Omotics		๐ŸŽดDancing SoldierDancing Soldier โ€” Monster (Warrior) [Godly-Kin] โ€” Level 6 โ€” Cost 255 โ€” ATK 1950 / DEF 1850 โ€” This warrior dancer spins 'kuru-kuru' in elegant spirals, performing graceful dance steps. (701)
Performance of Sword
677๐ŸŽดHamburger RecipeHamburger Recipe โ€” Ritual (Ritual) โ€” Cost 0 โ€” Use Bio Plant and two other monsters as ingredients to create a delicious Hungry Burger. YKJ๐ŸŽดBio PlantBio Plant โ€” Monster (Demon) [Forest-Kin] โ€” Level 4 โ€” Cost 140 โ€” ATK 600 / DEF 1300 โ€” This monster emerged from a catastrophic experiment in a subterranean laboratory. (295) YKJ + any 2๐ŸŽดHungry BurgerHungry Burger โ€” Monster (Warrior) [Godly-Kin] โ€” Level 6 โ€” Cost 255 โ€” ATK 2000 / DEF 1850 โ€” It spreads an appetizing aroma around itself, but in a twist, it eats whatever comes close. (702)
678๐ŸŽดRevival: Millennium Primitive-ManRevival: Millennium Primitive-Man โ€” Ritual (Ritual) โ€” Cost 0 โ€” Sacrifice Cyclops and two other monsters to summon Millennium Primitive-Man. โ€ป YKJ
Revival of Sennen		๐ŸŽดCyclopsCyclops โ€” Monster (Beast-Warrior) [Demon-Kin] โ€” Level 4 โ€” Cost 121 โ€” ATK 1200 / DEF 1000 โ€” Beware this one-eyed giant that comes swinging with its thick arms. (3) K + any 2
Hitotsu-Me Giant		๐ŸŽดMillennium Primitive-ManMillennium Primitive-Man โ€” Monster (Beast-Warrior) [Godly-Kin] โ€” Level 8 โ€” Cost 255 โ€” ATK 2750 / DEF 2500 โ€” This primitive man bears a Millennium item and solves everything through strength. (703)
Sengenjin
679๐ŸŽดLo's PrayerLo's Prayer โ€” Ritual (Ritual) โ€” Cost 0 โ€” Sacrifice Magnets #1 and two other monsters to summon Law Guardian. โ€ป YKJ
Novox's Prayer		๐ŸŽดMagnets #1Magnets #1 โ€” Effect Monster (Warrior) [Earth-Kin] โ€” Level 3 โ€” Cost 87 โ€” ATK 1000 / DEF 500 โ€” Boosts allied Magnets #2 by 1 level. โ€ป (160) YKJ + any 2
M-Warrior #1		๐ŸŽดLaw GuardianLaw Guardian โ€” Monster (Warrior) [Godly-Kin] โ€” Level 8 โ€” Cost 255 โ€” ATK 2050 / DEF 2500 โ€” This law guardian attacks with sword-shaped arms and never tolerates fraud. (704)
Skull Guardian
680๐ŸŽดThree-Horn RitualThree-Horn Ritual โ€” Ritual (Ritual) โ€” Cost 0 โ€” Sacrifice Black Dragon Jungle King and two other monsters to summon Tri-Horn Dragon. โ€ป YKJ
Curse of Tri-Horn		๐ŸŽดBlack Dragon Jungle KingBlack Dragon Jungle King โ€” Monster (Dragon) [Forest-Kin] โ€” Level 7 โ€” Cost 2 โ€” ATK 2100 / DEF 1800 โ€” This jet-black dragon inhabits the jungle and eats trees with a 'bari-bari' crunch. (571) YKJ + any 2๐ŸŽดTri-Horn DragonTri-Horn Dragon โ€” Monster (Dragon) [Godly-Kin] โ€” Level 9 โ€” Cost 255 โ€” ATK 2850 / DEF 2350 โ€” This demon dragon is distinguished by the three horns growing from its head. (705)
691๐ŸŽดRevival of Evil Knight DragonRevival of Evil Knight Dragon โ€” Ritual (Ritual) โ€” Cost 0 โ€” Sacrifice Dark Blaze Dragon and two other monsters to summon Evil Knight Dragon. โ€ป YKJ
Revived Serpent		๐ŸŽดDark Blaze DragonDark Blaze Dragon โ€” Monster (Dragon) [Fire-Kin] โ€” Level 5 โ€” Cost 7 โ€” ATK 1500 / DEF 1250 โ€” Its scorching Demon-World flames incinerate everything in a single instant. (168) YKJ + any 2
Darkfire Dragon		๐ŸŽดEvil Knight DragonEvil Knight Dragon โ€” Monster (Dragon) [Godly-Kin] โ€” Level 7 โ€” Cost 255 โ€” ATK 2350 / DEF 2400 โ€” This dragon emerged from the dark heart of an evil knight, taking physical form. (706)
Serpent Night Dragon
692๐ŸŽดTurtle OathTurtle Oath โ€” Ritual (Ritual) โ€” Cost 0 โ€” Sacrifice 30,000-Year White Turtle and two other monsters to summon Crab Turtle. โ€ป YKJ๐ŸŽด30,000-Year White Turtle30,000-Year White Turtle โ€” Monster (Water) [Water-Kin] โ€” Level 7 โ€” Cost 2 โ€” ATK 1250 / DEF 2100 โ€” This colossal turtle has survived for 30,000 years and has great durability. (449) YKJ + any 2
30,000-Year Turtle		๐ŸŽดCrab TurtleCrab Turtle โ€” Monster (Water) [Godly-Kin] โ€” Level 8 โ€” Cost 255 โ€” ATK 2550 / DEF 2500 โ€” It has both a turtle's shell and crab's pincers, making its attack and defense quite strong! (710)
693๐ŸŽดMask ContractMask Contract โ€” Ritual (Ritual) โ€” Cost 0 โ€” Sacrifice Dark Mask and two other monsters to summon Mask of Light and Darkness. โ€ป YKJ
Contract of Mask		๐ŸŽดDark MaskDark Mask โ€” Monster (Demon) [Black-Kin] โ€” Level 3 โ€” Cost 72 โ€” ATK 900 / DEF 400 โ€” This mask was crafted by a dark sorcerer and attacks with invisible powers of darkness. (102) YKJ + any 2
Mask of Darkness		๐ŸŽดMask of Light and DarknessMask of Light and Darkness โ€” Monster (Magician) [Godly-Kin] โ€” Level 6 โ€” Cost 255 โ€” ATK 2000 / DEF 1800 โ€” It shows illusions of light and darkness swirling 'gunya-gunya' to confuse opponents. (720)
Mask of S & D
694๐ŸŽดRevival of ChakraRevival of Chakra โ€” Ritual (Ritual) โ€” Cost 0 โ€” Sacrifice Destruction God Vassago and two other monsters to summon Chakra. โ€ป YKJ
Resurrection of Chakra		๐ŸŽดDestruction God VassagoDestruction God Vassago โ€” Monster (Demon) [Black-Kin] โ€” Level 4 โ€” Cost 103 โ€” ATK 1100 / DEF 900 โ€” Born from darkness, this deity of destruction summons devastating tempests. (269) YKJ + any 2
Versago the Destroyer		๐ŸŽดChakraChakra โ€” Monster (Demon) [Godly-Kin] โ€” Level 8 โ€” Cost 255 โ€” ATK 2450 / DEF 2000 โ€” It writhes and shifts its form while attacking with tentacle-like arms. (709)
695๐ŸŽดDoll RitualDoll Ritual โ€” Ritual (Ritual) โ€” Cost 0 โ€” Sacrifice Mysterious Puppeteer and two other monsters to summon Killer Puppet. โ€ป YKJ
Puppet Ritual		๐ŸŽดMysterious PuppeteerMysterious Puppeteer โ€” Monster (Warrior) [Earth-Kin] โ€” Level 5 โ€” Cost 7 โ€” ATK 1000 / DEF 1500 โ€” This puppeteer manipulates opponents at will. (166) YKJ + any 2๐ŸŽดKiller PuppetKiller Puppet โ€” Monster (Demon) [Godly-Kin] โ€” Level 7 โ€” Cost 255 โ€” ATK 2000 / DEF 2350 โ€” This puppet performs a mysterious dance that drains the opponent's vitality. (715)
Psycho-Puppet
696๐ŸŽดJavelin Beetle PactJavelin Beetle Pact โ€” Ritual (Ritual) โ€” Cost 0 โ€” Sacrifice Hercules Beetle and two other monsters to summon Javelin Beetle. YKJ๐ŸŽดHercules BeetleHercules Beetle โ€” Monster (Insect) [Forest-Kin] โ€” Level 6 โ€” Cost 91 โ€” ATK 1500 / DEF 2000 โ€” This giant rhinoceros beetle combines horn jabs with its hard body's tough defense. (52) YKJ + any 2๐ŸŽดJavelin BeetleJavelin Beetle โ€” Monster (Insect) [Godly-Kin] โ€” Level 8 โ€” Cost 255 โ€” ATK 2450 / DEF 2550 โ€” It has high attack and defense stats. Anything caught in its pincers gets split in two. (717)
697๐ŸŽดGarma Sword OathGarma Sword Oath โ€” Ritual (Ritual) โ€” Cost 0 โ€” Sacrifice Succubus Knight and two other monsters to summon Garma Sword. YKJ๐ŸŽดSuccubus KnightSuccubus Knight โ€” Monster (Warrior) [Black-Kin] โ€” Level 5 โ€” Cost 20 โ€” ATK 1650 / DEF 1300 โ€” This demon mage-warrior casts spells to paint the battlefield with opponents' blood. (621) YKJ + any 2๐ŸŽดGarma SwordGarma Sword โ€” Monster (Warrior) [Godly-Kin] โ€” Level 8 โ€” Cost 255 โ€” ATK 2550 / DEF 2150 โ€” Beware its six-sword style's wild attacks. It goes 'basa-basa', slashing everything around it. (716)
698๐ŸŽดBeseech the Cosmo QueenBeseech the Cosmo Queen โ€” Ritual (Ritual) โ€” Cost 0 โ€” Sacrifice Queen of Autumn Leaves and two other monsters to summon Cosmo Queen. YKJ
C. Queen's Prayer		๐ŸŽดQueen of Autumn LeavesQueen of Autumn Leaves โ€” Monster (Plant) [Forest-Kin] โ€” Level 6 โ€” Cost 43 โ€” ATK 1800 / DEF 1500 โ€” She lives surrounded by brilliant autumn foliage, serving as queen to the Spirit King of Green Trees. (638) YKJ + any 2๐ŸŽดCosmo QueenCosmo Queen โ€” Monster (Magician) [Godly-Kin] โ€” Level 9 โ€” Cost 255 โ€” ATK 2900 / DEF 2450 โ€” This queen is said to rule over all the stars that exist in the universe. (708)
699๐ŸŽดRevival of Skull RiderRevival of Skull Rider โ€” Ritual (Ritual) โ€” Cost 0 โ€” Sacrifice Temple of Skulls and two other monsters to summon Skull Rider. โ€ป YKJ
Revival of Dokurorider		๐ŸŽดTemple of SkullsTemple of Skulls โ€” Monster (Undead) [Black-Kin] โ€” Level 4 โ€” Cost 140 โ€” ATK 900 / DEF 1300 โ€” This unsettling temple made only of skulls and bones sucks in anything that approaches. (146) YKJ + any 2๐ŸŽดSkull RiderSkull Rider โ€” Monster (Undead) [Godly-Kin] โ€” Level 6 โ€” Cost 255 โ€” ATK 1900 / DEF 1850 โ€” This lonely rider kicks up dust clouds as it speeds solo through the wasteland. (719)
Dokurorider
700๐ŸŽดFortress Whale's OathFortress Whale's Oath โ€” Ritual (Ritual) โ€” Cost 0 โ€” Sacrifice Cyborg Bass and two other monsters to summon Fortress Whale. โ€ป YKJ๐ŸŽดCyborg BassCyborg Bass โ€” Monster (Machine) [Water-Kin] โ€” Level 6 โ€” Cost 43 โ€” ATK 1800 / DEF 1500 โ€” It unleashes blazing plasma blasts from its back-mounted cannon. (441) YKJ + any 2
Mech Bass		๐ŸŽดFortress WhaleFortress Whale โ€” Monster (Fish) [Godly-Kin] โ€” Level 7 โ€” Cost 255 โ€” ATK 2350 / DEF 2150 โ€” It lurks in the sea and uses the powerful cannons on its back to shoot down enemies one by one. (718)
722๐ŸŽดChaos: Black Magic RitualChaos: Black Magic Ritual โ€” Ritual (Ritual) โ€” Cost 0 โ€” Sacrifice Black Magician and two other monsters to summon Magician of Black Chaos. โ€ป Y
Black Magic Ritual		๐ŸŽดBlack MagicianBlack Magician โ€” Monster (Magician) [Black-Kin] โ€” Level 8 โ€” Cost 27 โ€” ATK 2500 / DEF 2100 โ€” It has top-tier offensive and defensive power among all magic users. (35) Y + any 2
Dark Magician		๐ŸŽดMagician of Black ChaosMagician of Black Chaos โ€” Monster (Magician) [Godly-Kin] โ€” Level 9 โ€” Cost 255 โ€” ATK 2800 / DEF 2600 โ€” This "Master of Magician" fuses light and darkness, channeling the power of chaos. (721)
783๐ŸŽดIllusion RitualIllusion Ritual โ€” Ritual (Ritual) โ€” Cost 0 โ€” Sacrifice Dark-Eyes Illusionist and two other monsters to summon Sacrifice. โ€ป K
Black Illusion Ritual		๐ŸŽดDark-Eyes IllusionistDark-Eyes Illusionist โ€” Monster (Magician) [Illusion-Kin] โ€” Level 1 โ€” Cost 10 โ€” ATK 0 / DEF 0 โ€” This monster with 0 โš” and 0 ๐Ÿ›ก is necessary for summoning Sacrifice! โ€ป (730) YKJ + any 2๐ŸŽดSacrificeSacrifice โ€” Effect Monster (Magician) [Godly-Kin] โ€” Level 1 โ€” Cost 255 โ€” ATK 0 / DEF 0 โ€” With its evil eye's magic, it steals and becomes the foe's strongest monster. โ€ป (731)
Relinquished

A companion to that last row: 730 ๐ŸŽดDark-Eyes IllusionistDark-Eyes Illusionist โ€” Monster (Magician) [Illusion-Kin] โ€” Level 1 โ€” Cost 10 โ€” ATK 0 / DEF 0 โ€” This monster with 0 โš” and 0 ๐Ÿ›ก is necessary for summoning Sacrifice! โ€ป YKJ exists to be sacrificed โ€” a monster with 0 โš” and 0 ๐Ÿ›ก whose whole purpose is summoning Sacrifice.

๐ŸŽฎVersions & Banlists

Three games, three deck restrictions, all loosening after you roll credits. Real mined numbers.

317
cards banned โ€” Yugi
256
cards banned โ€” Kaiba
244
cards banned โ€” Jonouchi

Finishing the game unlocks 15 more cards in Yugi, 26 in Kaiba, 37 in Jonouchi (short enough to print in full).

๐Ÿ•ฏ 26 cards can never be decked in any version โ€” exactly the 25 ritual-summoned monsters plus the fusion-only Thousand-Eyes Sacrifice: they enter play through ritual or fusion, never from a deck.

Limited to one copy

A separate rule from the banlists: wherever these are allowed at all, the deck holds at most one of each. Mined from the ROM's own one-copy list.

The one-of cards (22)
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Version-specific cards

The cards that aren't everywhere
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Unlocked by finishing the game โ€” Yugi (15)
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Unlocked by finishing the game โ€” Kaiba (26)
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Unlocked by finishing the game โ€” Jonouchi (37)
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Trading

Cards trade freely between the three versions โ€” and beyond: DM4 trades with DM1, DM2, and DM3. The banlists never block a trade. The legality check runs at one moment only: when you try to add a card to your deck. Your trunk can hold anything; a Yugi trunk full of field cards is merely a trunk full of field cards.

๐ŸงฌFusion

Top of the fold here; the full rules live on their own page. Mined from the ROM: 41,644 fusable pairs, 117 results, and the rules are solved.

To fuse, you use one monster on another. Two cards fused in your hand stay in your hand; if either was on the field, the result stands on the field โ€” ready to act, and not hidden.

  • Fusion is a fixed table โ€” a pair either has a result or fails; no stat math at fusion time.
  • Cross-type pairs are the norm (only 3% share a type); a cardโ€™s lane is finer than its type.
  • The pairing alone decides what you get โ€” which result line you land in never depends on either cardโ€™s strength.
  • You always trade up โ€” the result out-โš”s your strongest material, with exactly two storied exceptions.
  • Nine signature fusions have exactly one recipe each (Summoned Daemon + Red-Eyes โ†’ Black Daemon Dragonโ€ฆ).
  • 837 ๐ŸŽดDragon-Riding WyvernDragon-Riding Wyvern โ€” Monster (Dragon) [Wind-Kin] โ€” Level 5 โ€” Cost 26 โ€” ATK 1700 / DEF 1500 โ€” Baby Dragon and Wyvern Warrior fused to create this monster. โ€ป J pw 03366982
    Baby Dragon and Wyvern Warrior fused to create this monster. โ€ป
    the fusion of Baby Dragon (4) J and Wyvern Warrior (761) J.

๐Ÿงฌ Open the Fusion page โ€” the card lens ("what can my card make?"), all five rules with their proofs, the guessing heuristics with honest miss rates, and a searchable what-makes-what browser covering every result.

๐Ÿซง The Fusion Groups โ€” the hundred named "egg groups" of DM4 fusion (names DRAFT, memberships exact).

๐ŸทName Changes

566 cards carry a different name here than in official English. Know a card and canโ€™t find it? Type its name.

Margin favorites

The renames the workbook margins single out โ€” "Wow! We really like this translation!", verbatim.

#TCG printDM4E cartridgeThis translationInPassword
656๐ŸŽดEternal RestEternal Rest โ€” Magic (Spell) โ€” Cost 15 โ€” Purges opponent's Zombies in playใ€ƒ๐ŸŽดLast SutraLast Sutra โ€” Magic (Magic) โ€” Cost 15 โ€” With a prayer, it purifies all Undead-types on the opponent's field.YKJ95051344
676๐ŸŽดCommencement DanceCommencement Dance โ€” Ritual (Ritual) โ€” Cost 0 โ€” Tribute:Water Omotics, etcใ€ƒ๐ŸŽดInvocation Through DanceInvocation Through Dance โ€” Ritual (Ritual) โ€” Cost 0 โ€” Sacrifice Water Dancer and two other monsters to summon Dancing Soldier. โ€ปYKJ43417563
698never printed๐ŸŽดC. Queen's PrayerC. Queen's Prayer โ€” Ritual (Ritual) โ€” Cost 0 โ€” Tribute:Queen of Autumn Leaves, etc๐ŸŽดBeseech the Cosmo QueenBeseech the Cosmo Queen โ€” Ritual (Ritual) โ€” Cost 0 โ€” Sacrifice Queen of Autumn Leaves and two other monsters to summon Cosmo Queen.YKJ04561679
875never printed๐ŸŽดRising WallabyRising Wallaby โ€” Monster (Beast) [Thunder] โ€” Level 3 โ€” Cost 72 โ€” ATK 900 / DEF 350 โ€” Uses the legendary Lightning Punch๐ŸŽดRaijin' WallabyRaijin' Wallaby โ€” Monster (Beast) [Thunder-Kin] โ€” Level 3 โ€” Cost 72 โ€” ATK 900 / DEF 350 โ€” Having mastered the legendary Thunder Punch technique, this wallaby's power is tremendous.YKJ90587622
675never printed๐ŸŽดUltimate DragonUltimate Dragon โ€” Ritual (Ritual) โ€” Cost 0 โ€” Tribute:B-Eye White Dragon x3๐ŸŽดBlue-Eyes Ultimate Dragon RitualBlue-Eyes Ultimate Dragon Ritual โ€” Ritual (Ritual) โ€” Cost 0 โ€” Sacrifice three Blue-Eyes White Dragon to summon Blue-Eyes Ultimate Dragon.K17928958

Find a card

show all 566 renames

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๐Ÿ”‘Passwords

How the password system works, plus a curated handful of especially useful ones โ€” not the full list.

MILO pick the handful and the criterion (unstick a stuck campaign deck? showcase cards?)

๐Ÿ’Add-ons

Optional build flags. The base build has none.

opendeck every card deckable in every version, from the start

fusioncolor fusion-capable monsters draw with a distinct frame colour

fusioncolortiers as above, with palette tiers

debugmenu enables the gameโ€™s internal debug menu

๐Ÿ›Known Base-Game Bugs

Present in the original game; preserved, not introduced, by this translation.

Stale duel memory after a soft reset โ€” the strongest-monster effects (Beckoning to Darkness most visibly) read duel memory that survives a soft reset, so starting a new game right after a duel that way can mistarget them. Cartridges have no soft reset; a power cycle clears it.

The password-gated duelists forget their lines โ€” Gonbutori, Umiuma, Mai, Bakura, Marik, and Keith never play their "player's 5th victory" dialogue; the generic any-other-player victory line plays instead.