Nicol Bolas, Ender of All

: This card transforms from and into Nicol Bolas, King of All.
+1: Destroy target nonland permanent unless its controller pays 1 life for each kind of mana that was used to pay for Nicol Bolas, King of All.
-12: Destroy up to fifteen permanents with converted mana cost 8 or less. Transform Nicol Bolas, Ender of All.