It That Betrays is a rare Creature — Eldrazi card from Duel Decks: Zendikar vs. Eldrazi (DDP), collector number 43. Current market price: $11.25, TCGplayer market prices via Scryfall.
Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents of their choice.) Whenever an opponent sacrifices a nontoken permanent, put that card onto the battlefield under your control.