Nissa, of the deep wood

+1: Put 3 +1/+1 counters on target forest or swamp you control. It becomes a creature with "{t} Regenerate target land."
-2: Remove X counters from target Land Creature you control. Target creature gets -X/-X until end of turn.
-6: Return all lands from your graveyard to the battlefield. They become 5/5 creatures with "{t}: Regenerate target Land."