Overlay Sentinel is a Common Effect Monster card from Yu-Gi-Oh! (Legacy of the Valiant, LVAL). Current market price: $0.09.
Common
Legacy of the Valiant (LVAL)
Card Text
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.
