His final ability is a -3 ability (meaning you can use it the turn Commodore Guff comes out) reads: You draw X cards and Commodore Guff deals X damage to each opponent where X is the number of Planeswalkers you control. Obviously, if you have a lot of Planeswalkers out, this is very strong
With so much information constantly being released, its not uncommon for a few details to slip through the cracks
(It could honestly be the 18th land, but Ill know a little more on that front after the set releases.) The card admittedly looks a little clunky and hard to cast, but when a land has to Bolt you to come into play untapped, you shouldnt underestimate it
For decks looking for a specific 1-drop or land, Once Upon a Time is likely too powerful for what it does
For this list, Im exclusively focusing on cards that create creature tokens with the goal of helping Commander players find the perfect means to create a board-dominating army, but there are plenty of excellent Magic cards that create artifact tokens like Food tokens, Clue tokens, or Treasure tokens if that's what you're after