The purifier of planes

+1: Create 3 0/1 eldrazi scion token creatures with "Sacrifice this creature, add 1 colorless mana to your mana pool".
-2: Destroy up to one target non-eldrazi, non-token creature
-15: Exile all non-eldrazi, non-planeswalker, non-land cards. You may cast 1 card from your exile and 1 card from opponent's exile.