Ohre, Avatar of Ystanaf

+3: Ohre, Avatar of Ystanaf becomes a 6/6 Legendary creature with vigilance, indestructible, reach, and first strike until your next upkeep.
0: Return target white, blue, or black card from your graveyard to your hand. You lose 2 life on your next endstep.
-12: Exile all lands. Ohre, Avatar of Ystanaf deals 12 damage to all other players and permanents.