The Reaper, King No More

Mana cost: {2/B}{2/R}{2/G}

Legendary Artifact Creature — Scarecrow

When The Reaper enters, put a -1/-1 counter on each of up to two target creatures. Whenever a creature an opponent controls with a -1/-1 counter on it dies, you may put that card onto the battlefield under your control. Do this only once each turn.