Each of those decks has an iconic Final Fantasy character at the helm
Just be aware of the turn they are able to cast Be Prepared so you don't over commit too many characters into the board wipe
Balanced between defending, attacking and questing, Cinderella, Stouthearted would be a fantastic card at almost any price
However, there have been times where designer Ravensburger has had to step in and make some changes for the health of the game
We did explore card designs and themes around the Warrior of Light with somepretty in-depth executions, before ultimately landing on Yshtola as the commander
Again, if Ruby/Sapphire goes all-in on actions, playing a Steel deck will be your best bet, and this one does a far better job of managing the board without relying on actions or high-cost removal