Cemetery Gatekeeper is a mythic Creature — Vampire card from Innistrad: Double Feature (DBL), collector number 415. Current market price: $4.47 (foil $37.28), TCGplayer market prices via Scryfall.
First strike When this creature enters, exile a card from a graveyard. Whenever a player plays a land or casts a spell, if it shares a card type with the exiled card, this creature deals 2 damage to that player.