Jace, Wielder of Memories

+2: Exile the top five cards of opponents library you may cast one of the spells you may spend mana as if it were any mana to cast this spell
-2: Look at the top three cards of your library put one into your hand, one on the bottom of your library and one into your graveyard
-10: Draw 10 cards, you have no maximum hand size for the rest of this game