Howler's Heavy is a common Creature — Seal Pirate card from Aetherdrift (DFT), collector number 46. Current market price: $0.20 (foil $0.15), TCGplayer market prices via Scryfall.
Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.) When you cycle this card, target creature or Vehicle an opponent controls gets -3/-0 until end of turn.