Nicol Bolas,Spark Stealer

+2: Create a 2/2 black and blue Eternal creature token with menace and: If this creature deals damage to a planeswalker, destroy it.
-4: Draw X cards where X is the number of planeswalkers in the battlefield. You may discard X cards and deal X damage to any target.
-12: Destroy target land.Gain control of all Nonland permanents your oponents control.They become black 3/3 eternals in adittion to their other types.