It That Betrays is a rare Creature — Eldrazi card from Secret Lair Drop (SLD), collector number 1176. Current market price: $25.25 (foil $36.53), 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.