Oryx, The Taken King

+3: Make five 3/3 Taken thrall creature tokens. You gain life for each thrall you control. Deal that much damage to any target.
-3: Gain control of up to two target creatures opponent controls. Copy those creatures as Taken. You gain 2 life for each taken you control.
-20: Gain control of all creatures including any in exile and graveyard. Make copies of each as Taken. Attack twice and take another turn.