"Gaster, The Exiled"

+1: Exile 1 creature you control and 1 you don't control exile them and put them back onto the battlefield in 2 turns under your control.
-3: Exile 3 creatures you don't control and put them under your control in 3 turn cycles.
-14: Exile all nonland permanents except "Gaster The Exiled" and put 20 under your control and the rest under random players control.