Immobilizer Eldrazi is a uncommon Creature — Eldrazi Drone card from Oath of the Gatewatch (OGW), collector number 97. Current market price: $0.13 (foil $0.30), TCGplayer market prices via Scryfall.
Devoid (This card has no color.) {2}{C}: Each creature with toughness greater than its power can't block this turn. ({C} represents colorless mana.)