Although they are found in Play boosters, Final Fantasy s Through the Ages cards have their own set code (FCA), and are only legal in formats in which theyre already legal
Because damage remains marked on a creature until the damage is removed as the turn ends, nonlethal damage dealt to a creature may become lethal if Eye of Nidhogg becomes attached to it or unattached from it during that turn
The White, Red, and Green (or, Naya) deck from this set is 'Limit Break', an Equipment-based deck that's built around the face of the franchise, Cloud Strife, as Cloud, Ex-SOLDIER
The good news, at least, is that these cards will likely see ample Commander play
Therefore, as long as you have plenty of Princesses in the deck to make this work, you can quickly fill your hand with them while also getting two lore each turn from questing
Although some Disney Lorcana cards are all about reinterpretation, there's plenty of value in going straight to the source