Bearer of Silence is a rare Creature — Eldrazi card from Oath of the Gatewatch (OGW), collector number 67. Current market price: $0.25 (foil $0.61), TCGplayer market prices via Scryfall.
Devoid (This card has no color.) When you cast this spell, you may pay {1}{C}. If you do, target opponent sacrifices a creature. ({C} represents colorless mana.) Flying This creature can't block.