Banewhip Punisher is a uncommon Creature — Human Warrior card from Hour of Devastation (HOU), collector number 59. Current market price: $0.25 (foil $2.36), TCGplayer market prices via Scryfall.
When this creature enters, you may put a -1/-1 counter on target creature. {B}, Sacrifice this creature: Destroy target creature that has a -1/-1 counter on it.