Nicol Bolas, Eternal God

+2: Destroy target nonland permanent. You lose 2 life.
-3: Prevent all damage dealt to Nicol Bolas, Eternal God until your next turn. You gain 5 life.
-19: Destroy all permanents target player controls. For each creature destroyed this way, Put X 3/3 Eternal horror creature tokens. You gain 20 life.