Blacksnag Buzzard is a common Creature — Bird card from Outlaws of Thunder Junction (OTJ), collector number 79. Current market price: $0.08 (foil $0.13), TCGplayer market prices via Scryfall.
Flying This creature enters with a +1/+1 counter on it if a creature died this turn. Plot {1}{B} (You may pay {1}{B} and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)