Venomspout Brackus is a uncommon Creature — Beast card from Onslaught (ONS), collector number 295. Current market price: $0.14 (foil $0.94), TCGplayer market prices via Scryfall.
{1}{G}, {T}: This creature deals 5 damage to target attacking or blocking creature with flying. Morph {3}{G}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)