Mary, Ruler of Phyrexia

: This card can be your commander. Indestructible, Retaliate (This Planeswalker deals damage to creatures attacking it equal to it's loyalty.)
+1: Proliferate, Populate, or Scry 2.
-2: Put a Virus Counter on target Artifact OR Create a 1/1 Cyberkin Horror creature token with Infect.