Stockente, God of the Forests

Changeling, flying, trample, lifelink.
Feathers you control have "{t}: Add {g}{g}{g}."
Ducks you control have "{t}: Add {g}{g}{g}{g}."
and lifelink.
{t}: Create a feather token
{4},{t}: Search your library for any
number of Forests, then put them onto the battlefield.
{ut}: Sacrifice five feathers you control:
You gain 100 life.