Nicol Bolas, Unleashed

: Nicol bolas is also a 7/7 legendary elder dragon creature with flying and annihilator 3.
+2: Draw a card, then, for each player, destroy target permanent that player controls.
-12: Exile the top 30 cards of each opponents library. Then, until end of turn, you may cast spells exiled this way without paying their mana costs.