Number 80: Rhapsody in Berserk (Rare)

2 Level 4 monsters You can target 1 face-up Xyz Monster you control, equip this monster you control to that target. It gains 1200 ATK. You can detach 1 Xyz Material from this card, then target 1 card in your opponent's Graveyard, banish that target. You can use this effect of "Number 80: Rhapsody in Berserk" up to twice per turn.