Having Tyler both be available, and interested in, and consuming much of his year is a seriously tall ask
I like winning, sure, but I also like playing different styles, using different strategies, and showing off different aspects of my deck-building
If a card specifically states that it moves Commanders from the battlefield to the Command Zone, anything that's been mutated onto your Commander moves along with it, then falls off - and will probably be stuck there, since there's no way to cast non-commander creatures from the Command Zone
Playing a card stores its seal in your "arcana gauge." In the example below, the astrologian draws The Ewer, which has the moon seal, then plays it, storing a moon seal in their arcana gauge
Because there are so many unique commanders in this set, I didn't include any cards from the Final Fantasy: Through the Ages bonus sheet