Nissa, Worldwaker

+1 : Target land you control becomes a 4/4 Elemental creature with trample. It's still a land.

+1 : Untap up to four target Forests.

-7 : Search your library for any number of basic land cards, put them onto the battlefield, then shuffle your library. Those lands become 4/4 Elemental creatures with trample. They're still lands.

Loyalty : 3