Rocky Helmet (153/149) [Black & White: Boundaries Crossed] Tuner/Effect Monster Set: Structure Deck: The Dark

Set: Structure Deck: The Dark Emperor Card type: Effect Monster Rarity: Common Attack:

Set: Legendary Collection 3: Yugi's World Card type: Fusion/Effect Monster Rarity: Secret Rare Attack: 2900 Defense: 2400 "Dark Magician" + "Buster Blader" Must be Fusion Summoned and cannot be Special Summoned by other ways

Set: Code of the Duelist Card type: Effect Monster Rarity: Super Rare Attack: 1600 Defense: 1200 (Quick Effect): You can reveal this card in your hand

Set: Duelist League Promo Card type: Normal Trap Rarity: Rare If "The Sanctuary in the Sky" is on the field

You can only use this effect of "Subterror Behemoth Ultramafus" once per turn

Rocky Helmet (153/149) [Black & White: Boundaries Crossed] Tuner/Effect Monster Set: Structure Deck: The DarkSet: Black & White: Boundaries Crossed Type: Item Rarity: Secret Rare