Hetosian Stork

Flying
Tribute 2 (As this creature enters the battlefield,
an opponent of your choice may put two +1/+1
counters on it.)
When Hetosian Storks enters the battlefield, if
tribute wasn't paid, it gains Deahtouch.
"Young they are deadly from the poisonous berries
they eat. Old, they're big enough not to need such
advantage. - Traveling Philosopher