Niv MIzzet, Savior

+2: Scry 3. Until end of turn, you may reveal and instant or sorcery card among them and cast it without paying it's converted mana cost.
+1: Tap target untapped permanent. Then draw 3 cards. Discard two of those cards and put one into your hand.
-10: Target player gets and emblem that says "You may cast instant or sorcery cards without paying their converted mana cost."