It only works for artifacts, but even then, youre generating mana for every artifact you control, realistically between 3-4 depending on your decks composition
Interestingly, there are only two trainer cards in the list, Misty from Gym Heroes and N from Noble Victories
The goal is to eventually be the table's villain, channeling your inner Sephiroth
We could have a red rulebreaker commander that lets us play any hybrid cards that have red and something else, or a blue/green commander that lets us play any hybrid cards that have either green or blue
But there are numerous parallels to be made with future Extended superstar Trix
Overall, I think that Commander Masters has a lot to offer, even though I have my own personal nitpicks with some of the card choices and the accessibility of the product