Overlay Sentinel

[ Warrior / Effect ] Cannot be Special Summoned. When this card is Normal Summoned: Change this card to Defense Position. If you control a face-up Xyz Monster that has Xyz Material: You can banish this card from your Graveyard, then target 1 monster your opponent controls; it loses 500 ATK for each Xyz Material attached to a monster you control. ATK/ 2000 DEF/ 0