The Chaos Doctor

: This Planeswalker can be your commander. Whenever you the ability of a Time Lord Doctor is activated put a loyalty counter on this planeswalker.
-2: Roll a six sided dice then either planeswalk, time travel, or Envoke Chaos (use the chaos ensues of the current planes card) that many times.
-20: you may change 1 rule of the game only for this game.