Sao Feng, Pirate Lord

+2: Reveal the top card of your library and put that card into your hand. Each opponent loses life equal to its converted mana cost.
+1: Sao Feng, Pirate Lord deals 1 damage to target creature or planeswalker and each player gains 1 life.
-12: Target creature gets +3/+3 and each opponent places the top 15 cards of their library into their graveyard.