Maw of Kozilek is a common Creature — Eldrazi Drone card from Oath of the Gatewatch (OGW), collector number 99. Current market price: $0.09 (foil $0.16), TCGplayer market prices via Scryfall.
Devoid (This card has no color.) {C}: This creature gets +2/-2 until end of turn. ({C} represents colorless mana.)