Kashani,Brother of Death

+2: Destroy target creature. If you control Kagashi, Brother of Life, you gain life equal to the creature's power.
+2: Select target creature, if it is indestructible, remove it from the game. If you control Kagashi, Brother of Life, copy it under your control.
-15: Exile all opponents permanents including lands. If you control Kagashi, Brother of Life, put a 5/5 demon with flying for each creature exiled.