Aarav, Returned Exile

Whenever a creature enters the battlefield under
your control, search your library for a forest or
plains card and put it onto the battlefield tapped
under your control.
{1}{g}{w}: Search your library for a creature card
and put it on top of your library
{2}{g}{g}{w}{w}: Creatures you control gain +3/+3,
vigilance, lifelink and trample until end of turn
"I have returned, all must bow."