Teysa, The Obzedat

+1: Target opponent loses 2 life and you gain 2 life. If you gained 3 or more life this turn, add a extra loyalty counter Teysa, The Obzedat.
-4: Destroy target creature. If it caused damage to you or planeswalkers you control at any moment of the game, exile it instead.
-12: Exile all creatures. Create tokens that are copies of each creature exiled by Teysa, The Obzedat in the battlefield under your control.