Perplexing Pigeon

Flying
At the beginning of your upkeep, choose one:
•"Peck": Target creature gets -1/-1 until end of
turn.
•"Preen": Put a feather counter on this creature.
It gains ward {x} until end of turn, where X is the number of feather counters on it.
•"Poop": Destroy target artifact. Its controller
gains 3 life.