Fleetfeather Cockatrice is a uncommon Creature — Cockatrice card from Journey into Nyx (JOU), collector number 149. Current market price: $0.12 (foil $0.79), TCGplayer market prices via Scryfall.
Flash (You may cast this spell any time you could cast an instant.) Flying, deathtouch {5}{G}{U}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)