Raven, Cosmic Explorer

+2: Copy the next instant or sorcery spell you cast.
-1: View the top 6 cards of your library, choose an instant or sorcery card from among them and put it into your hand. Place the rest on the bottom.
-6: Search your library for a cleric, rogue, warrior, and a wizard put these cards in your hand. Add 10 mana in any combination to your mana pool.