A field-unique card is a card that has a condition that prevents more than 1 card being on the field with its name. This means that if a field-unique card is face-up on any player's field, and a new one is placed on the field face-up or flipped face-up, then all new copies are sent to the Graveyard by game mechanics instead. Furthermore, if there is already a field-unique card face-up on the field, another card with the same name cannot be Summoned face-up (even if the Summon would cause the copy already on the field to be removed).

Additional copies can exist face-down (so they can be Set/Special Summoned face-down), but as soon as they are flipped face-up the restriction applies and sends them to the Graveyard. Furthermore, they cannot be Flip Summoned if another copy is already face-up on the field. If another copy of a face-up field-unique monster is attempted to be Summoned from Graveyard or Banished Zone, such by the effect of "Return from the Different Dimension", then all illegal Summons will simply fail at resolution.[1]

All "Earthbound Immortal" and most "Malefic" monsters are field-unique with other cards of that same archetype.

All OCG/TCG "Field-Unique" cards

 Japanese nameCard typeAttributeTypeLevelRankATKDEF
Alector, Sovereign of Birds神禽王アレクトールMonster Card
Effect Monster
WINDWinged Beast624002000
D.D. Esper Star Sparrow異次元エスパー・スター・ロビンMonster Card
Effect Monster
Dragon Iceドラゴン・アイスMonster Card
Effect Monster
Earthbound Immortal Aslla piscu地縛神 Aslla piscuMonster Card
Effect Monster
DARKWinged Beast1025002500
Earthbound Immortal Ccapac Apu地縛神 Ccapac ApuMonster Card
Effect Monster
Earthbound Immortal Ccarayhua地縛神 CcarayhuaMonster Card
Effect Monster
Earthbound Immortal Chacu Challhua地縛神 Chacu ChallhuaMonster Card
Effect Monster
Earthbound Immortal Cusillu地縛神 CusilluMonster Card
Effect Monster
Earthbound Immortal Uru地縛神 UruMonster Card
Effect Monster
Earthbound Immortal Wiraqocha Rasca地縛神 Wiraqocha RascaMonster Card
Effect Monster
DARKWinged Beast10100100
King of the Beastsキング・オブ・ビーストMonster Card
Effect Monster
Malefic Blue-Eyes White DragonSin 青眼の白龍Monster Card
Effect Monster
Malefic Cyber End DragonSin サイバー・エンド・ドラゴンMonster Card
Effect Monster
Malefic Paradox DragonSin パラドクス・ドラゴンMonster Card
Synchro Monster
Effect Monster
Malefic Rainbow DragonSin レインボー・ドラゴンMonster Card
Effect Monster
Malefic Red-Eyes Black DragonSin 真紅眼の黒竜Monster Card
Effect Monster
Malefic Stardust DragonSin スターダスト・ドラゴンMonster Card
Effect Monster
Malefic Truth DragonSin トゥルース・ドラゴンMonster Card
Effect Monster
Rai-JinRAI-JINMonster Card
Effect Monster
Reptilianne Vaskiiレプティレス・ヴァースキMonster Card
Effect Monster
Senior Silver Ninja渋い忍者Monster Card
Effect Monster
Solar Wind Jammer太陽風帆船Monster Card
Effect Monster
Super CrashbugスーパーバグマンMonster Card
Effect Monster

All Anime "Field-Unique" cards

 Japanese nameCard typeAttributeTypeLevelRankATKDEF
Bird King Alector神禽王アレクトールEffect MonsterWINDWinged Beast60000240000002000
Illusion Ice Sculpture幻想の氷像Effect MonsterLIGHTRock10000000000000000
 Japanese nameCard typeProperty
Sunvine Shrine (anime)聖蔓の社Spell Card

All Manga "Field-Unique" cards



  • Side-Unique cards are essentially the same rule as Field-Unique, except that they apply only to a single player's field. ie: Both players can have the same card on their field without either being destroyed as a State-Based Action; however a given player may still only have one on their field, treated the same way as Field-Unique.


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