Nissa, Creator of Uzilek

+1: Each opponent loses 2 life and you gain 2 life.
-2: Each opponent sacrifices a land. Search your library for a land card, put it onto the battlefield tapped then shuffle your library.
-10: Put five +1/+1 counters on each land you control, and they become 0/0 Elemental creatures with haste. They're still lands.