It might not seem like a lot since three mana isnt a huge commitment, but it can mean the difference between playing just one creature face-down and passing, and playing a creature face-down and then being able to flip it back over before your next turn
While every other FF is represented in the general boosters and the general set of cards, the sprawling nature of Commander Decks means that the four FFs that have a Commander Deck themed around them naturally have a huge advantage - their characters, stories, and worlds are far more heavily represented than the others
It reminds me of Kalamax, the Stormsire, but so much cooler
It can also serve to clarify how some cards with unique and confusing wordings function
Are your mulligans keeping you down
However, some mechanics have been left behind that fans would love to see return to the game