Masked Hero Koga [SDHS-EN042] Super Rare Trap during the Standby Phase: You

during the Standby Phase: You can detach 1 Xyz Material from this card

(This ATK gain remains even if this card leaves the field

If this card is sent to the Graveyard: You can target 1 WATER monster in your Graveyard

You can only use this effect of "Performapal Longphone Bull" once per turn

Masked Hero Koga [SDHS-EN042] Super Rare Trap during the Standby Phase: YouSet: Structure Deck: HERO Strike Card type: Fusion Effect Monster Rarity: Super Rare Attack: 2500 Defense: 1800 Must be Special Summoned with "Mask Change" and cannot be Special Summoned by other ways. This card gains 500 ATK for each monster your opponent controls. Once per turn, during either player's turn: You can banish 1 "Hero" monster from your Graveyard, then target 1 face up monster on the field; that target loses ATK equal to the ATK of the