Gorgaran, the Spark

+2: Exile one card that is targeting you or a creature you control. Gorgaran is +3/+3 until end of turn.
-1: Add 6 colorless mana to your mana pool. Then add 3 mana of any combination of colors to your mana pool.
-12: Untap all permanents in play and take control of them. Reveal the top 5 cards of all libraries, you may play these cards this turn.