Devouring Hellion is a uncommon Creature — Hellion card from War of the Spark (WAR), collector number 124. Current market price: $0.13 (foil $0.35), TCGplayer market prices via Scryfall.
As this creature enters, you may sacrifice any number of creatures and/or planeswalkers. If you do, it enters with twice that many +1/+1 counters on it.