Cultivator Drone is a common Creature — Eldrazi Drone card from Oath of the Gatewatch (OGW), collector number 42. Current market price: $0.06 (foil $0.41), TCGplayer market prices via Scryfall.
Devoid (This card has no color.) {T}: Add {C}. Spend this mana only to cast a colorless spell, activate an ability of a colorless permanent, or pay a cost that contains {C}. ({C} represents colorless mana.)