The true power of MDFCs in Commander is that since they are both lands and spells, depending on what you need at any given point in the game, adding MDFCs can decrease your chances of being mana screwed and mana flooded
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I adore that in every brew with a few colors and then you can grow it with charge or +1/+1 counters equal to each mana color you spend without you know, needing to spend extra mana and Fellwar Stones and Manaliths will do it outside of your Commander's Identity
Morophon, the Boundless Morophon, the Boundless was designed to be a 5-color commander to lead any typal deck, especially underrepresented types, or those that dont have a legendary creature of their own
Commander Anthology Volume II collects four sought-after and long-out-of-print Commander series decks in one deluxe package
Anyway, the above Naya deck is super good