Marco, Half-Indian God

0: At the beginning of your end step, put a loyalty counter on another target planeswalker you control.
+1: Create a 1/1 red Wizard creature token with "Tap: Add one red mana. Spend this mana only to cast a planeswalker spell."
-3: You draw X cards and Commodore Guff deals X damage to each opponent, where X is the number of planeswalkers you control.