Melffy Playhouse [ROTD-EN073] Common

Set: Rise of the Duelist Card type: Normal Trap Rarity: Common Detach any number of materials from Beast Xyz Monsters you control, then target up to that many cards your opponent controls; return them to the hand, also all Beast Xyz Monsters you control gain 500 ATK for each material detached to activate this card, until the end of this turn.