Fusion Substitute Monster


Japanese (base text)


Japanese (romanized)

Yūgōsozai Daiyō Monsutā

Japanese (translated)

Fusion Material Substitute Monster


Fusion Substitute Monster

A Fusion Substitute Monster (ゆうごうざいだいようモンスター Yūgōsozai Daiyō Monsutā) is a monster with an effect that allows it to replace a single specifically named Fusion Material for the Fusion Summon of a Fusion Monster, as long as the other monster(s) used are the correct one(s).

Fusion Substitute Monsters cannot be used for:

  • Fusion Monsters that can only be Special Summoned from the Extra Deck by removing the Fusion Materials listed on it from your field (Contact Fusion), such as with the "Neos", "Gladiator Beast", and "A-to-Z" Fusion Monsters.
  • Fusion Monsters that have a strict Fusion Summon condition cannot be Fusion Summoned using a Fusion Substitute Monster.
    • Any monster in the Hex-Sealed Fusion series can be used as Fusion Material for a Special Summon with its own Ignition Effect, even for the Special Summon of a monster that specifies that "A Fusion Summon of this monster can only be done with the above Fusion Materials", since this Special Summon is not a Fusion Summon.
  • Fusion Monsters that do not specifically name any of their Fusion Materials, such as "Ojama Knight" or "Evil HERO Dark Gaia".
    • If the Fusion Monster has both specifically named and unnamed Fusion Materials (like "Ultimate Ancient Gear Golem"), then a Fusion Substitute Monster can be used, but only for the specifically named Fusion Material.
  • A Fusion Summon which is already using another Fusion Substitute Monster.
  • A Fusion Summon with "Cyberdark Impact!", because the monsters that must be used as Fusion Materials are specifically named on the card performing the Fusion Summon.

The effect that allows Fusion Substitute Monsters to replace a Fusion Material has no classification. It applies on the field (even while face-down), in the hand, and in the Graveyard. It does not apply while in the Main Deck or while banished, so this effect cannot be used for "Future Fusion" or "Parallel World Fusion".

Fusion Substitute Monsters


 Japanese nameCard typeAttributeTypeLevel/RankATKDEF
Beastking of the Swamps沼地の魔獣王Monster Card
Effect Monster
The Dark - Hex-Sealed Fusion融合呪印生物-闇Monster Card
Effect Monster
The Earth - Hex-Sealed Fusion融合呪印生物-地Monster Card
Effect Monster
Fluffal Patchworkパッチワーク・ファーニマルMonster Card
Effect Monster
Fusion Parasiteパラサイト・フュージョナーMonster Card
Effect Monster
Goddess with the Third Eye心眼の女神Monster Card
Effect Monster
King of the Swamp沼地の魔神王Monster Card
Effect Monster
The Light - Hex-Sealed Fusion融合呪印生物-光Monster Card
Effect Monster
Mystical Sheep 1イリュージョン・シープMonster Card
Effect Monster
Versago the Destroyer破壊神 ヴァサーゴMonster Card
Effect Monster
 Japanese nameCard typeProperty
Shaddoll Core影依の原核Trap Card
Continuous Trap Card
Continuous Trap Card


 Japanese nameCard typeAttributeTypeLevel/RankATKDEF
Crystal Rose (anime)クリスタル・ローズMonster CardLIGHTRock20000050000000500
Fusion Parasite (anime)パラサイト・フュージョナーMonster CardDARKInsect10000000000000000
Goddess with the Third Eye (anime)心眼の女神Monster CardLIGHTFairy40000120000001000
King of the Swamp (anime)沼地の魔神王Monster CardWATERAqua30000050000001100
Versago the Destroyer (anime)破壊神 ヴァサーゴMonster CardDARKFiend30000110000000900
 Japanese nameCard typeProperty
D/D/D FusionDDD フュージョンSpell Card


 Japanese nameCard typeAttributeTypeLevel/RankATKDEF
Fluffal Bear (manga)パッチワーク・ファーニマルMonster CardEARTHFairy10000000000000000

Treated as alternate name

Some cards can replace Fusion Materials by treating their name as that of a Fusion Material.

For example, "Elemental HERO Prisma" can send a Fusion Material listed on a Fusion Monster card from the Deck to the Graveyard to treat its name as that card's. Since it is being treated as that card's name and not replacing a Fusion Material, it is not a Fusion Substitute Monster and treated as being correct, so can be used for the Fusion Summon of monsters with strict Fusion Materials, such as "Cyber End Dragon" and "Cyber Blader". Also, for Fusion Summons in which Fusion Substitute Monsters are valid, it can be used in the same Fusion Summon as one.



See also

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