Tanya, Deathcaller

+2: Tanya, deathcaller deals 2 damage to target creature. create a 1/1 black zombie creature token
-2: Sacrifice up to 3 creatures you control. you gain life equal to the total power of creatures sacrificed this way.
-10: Destroy all permanents on the battlefield. For each land, create a 1/1 zombie creature token. for each creature, create a 3/3 zombie mutant token