For example, if the target historic permanent card is an artifact card (but not a creature card) and you control March of the Machines ("Each noncreature artifact is an artifact creature with power and toughness each equal to its mana value."), it will enter with two additional +1/+1 counters on it because it will be a creature on the battlefield
While Treasures are capable of producing mana, Clue and Food tokens provide a potential outlet for said mana, providing the ability to draw additional cards or gain life when in a pinch
Trash tier rat commander, but Im judging a blink commander on its ability to support rats, so what did I expect
In the same way that you can't cast a spell without the proper mana in a game, you can only put creatures and spells in your deck if your mana base can support them
Pro - more places for new players to jump in Before 2020, there was only the annual release of Commander decks