Omniscient Wizard

+1: You may activate Omniscient Wizard's loyalty abilities twice next turn, and at any time you could cast an instant.
0: Counter target spell unless its controller pays x, where x is the number of loyalty counters on Omniscient Wizard. Draw a card.
-3: Exile all permanents. End the turn. Activate only if another loyalty ability of a planeswalker you control was activated this turn.