Dread Defiler is a rare Creature — Eldrazi card from Oath of the Gatewatch (OGW), collector number 68. Current market price: $0.25 (foil $0.39), TCGplayer market prices via Scryfall.
Devoid (This card has no color.) {3}{C}, Exile a creature card from your graveyard: Target opponent loses life equal to the exiled card's power. ({C} represents colorless mana.)