Graven Dominator is a rare Creature — Gargoyle card from Guildpact (GPT), collector number 7. Current market price: $0.24 (foil $0.83), TCGplayer market prices via Scryfall.
Flying Haunt (When this creature dies, exile it haunting target creature.) When this creature enters or the creature it haunts dies, each other creature has base power and toughness 1/1 until end of turn.