Reaver Drone is a uncommon Creature — Eldrazi Drone card from Oath of the Gatewatch (OGW), collector number 76. Current market price: $0.03 (foil $0.23), TCGplayer market prices via Scryfall.
Devoid (This card has no color.) At the beginning of your upkeep, you lose 1 life unless you control another colorless creature.