Hideous Taskmaster is a rare Creature — Eldrazi card from Modern Horizons 3 Commander (M3C), collector number 57. Current market price: $2.82, TCGplayer market prices via Scryfall.
Devoid (This card has no color.) When you cast this spell, for each opponent, gain control of up to one target creature that player controls until end of turn. Untap those creatures. They gain trample, haste, and annihilator 1 until end of turn. Trample, haste, annihilator 1 (Whenever this creature attacks, defending player sacrifices a permanent of their choice.)