Chasm Skulker does have some nice synergy with [[Tidus, Yuna's Guardian]], as you automatically get counters on it to proliferate
Having many, many ways to recur the only four extra turn spells available means that the deck has more effective copies of those cards, as a card like RegrowthRegrowth is just a Final FortuneFinal Fortune for two more mana with the latter in the graveyard
Final Fantasy is rich, wide, and its predilection for throwing everything out and starting over for each numbered entry means that it is far too deep to be summarized in just a few hundred cards
For more on Commander, be sure to check out some of the most powerful precon decks in the format so far, as well as a look at some currently on sale
Teferi, Mage of Zhalfir Teferi, Mage of Zhalfir has to be one of the most annoying commanders to play against
Lasting Fayth