Archfiend Black Skull Dragon [CORE-EN048] Ultimate Rare Dark Beginning 2 You can only use each

You can only use each effect of "Duoterion" once per turn

except "Speedroid Terrortop"

Set: OTS Tournament Pack 9 Card type: Link/Effect Monster Rarity: Ultimate Rare Attack: 1500 1 non WATER "Sky Striker Ace" monster Monsters your opponent controls lose 100 ATK/DEF for each Spell in your GY

Set: OTS Tournament Pack 1 Card type: Fusion/Effect Monster Rarity: Ultimate Rare Attack: 2400 Defense: 1800 Must be Special Summoned with "Mask Change" and cannot be Special Summoned by other ways

Archfiend Black Skull Dragon [CORE-EN048] Ultimate Rare Dark Beginning 2 You can only use eachSet: Clash of Rebellions Card type: Fusion Effect Monster Rarity: Ultimate Rare Attack: 3200 Defense: 2500 1 Level 6 "Archfiend" Normal Monster + 1 "Red Eyes" Normal Monster You can only Special Summon "Archfiend Black Skull Dragon(s)" once per turn. If this card attacks or is attacked, your opponent cannot activate cards or effects until the end of the Damage Step. If damage calculation is performed involving this Fusion Summoned card, at the end of