Cujo,The mutant Bernard

-3: Cujo Mutant Bernard transfers the power of chosen card than transfer it into loyalty points and kill that chosen card instantly.
+3: Sacrifice one of your creatures 6/6 and below then net turn bring creature back with a -1/-1 counter on it.
-20: Wipe out every opponent card and exile them from the game or gain as much life as your opponents power and toughness for every creature combined.