Grim Poppet is a rare Artifact Creature — Scarecrow card from Shadowmoor (SHM), collector number 252. Current market price: $1.17 (foil $12.47), TCGplayer market prices via Scryfall.
This creature enters with three -1/-1 counters on it. Remove a -1/-1 counter from this creature: Put a -1/-1 counter on another target creature.