Svega, the Unconventional

Landfall — Whenever a land enters under your control, put a loyalty counter on target planeswalker.

−2: For each planeswalker type among planeswalkers you control, create a 1/1 Attendee creature token that's all colors.

−X: Choose an Elspeth, Teferi, Liliana, Chandra, or Garruk planeswalker card name with mana value X. Create a copy of the card with the chosen name. You may cast the copy without paying its mana cost.

Svega can be your commander.