Untamed Hunger is a common Enchantment — Aura card from Oath of the Gatewatch (OGW), collector number 91. Current market price: $0.08 (foil $0.41), TCGplayer market prices via Scryfall.
Enchant creature Enchanted creature gets +2/+1 and has menace. (It can't be blocked except by two or more creatures.)