Predatory Impetus is a common Enchantment — Aura card from Ravnica: Clue Edition (CLU), collector number 172. Current market price: $0.13, TCGplayer market prices via Scryfall.
Enchant creature Enchanted creature gets +3/+3, must be blocked if able, and is goaded. (It attacks each combat if able and attacks a player other than you if able.)