Keep the serialized cards all good and release a version, maybe where just the Chocobos feathers are gold foil, and have it be unserialized
From our expertise in card games, adding additional faction, color, or so can be a bit tricky, it is important to test and verify with every addition the game is in check and above all balanced between all ink types
Repeatedly recycling counters to summon an overwhelming stream of powerful beasts
This theme works on three levels: Payoffs (i.e., Judge Magister Gabranth, Al Bhed Salvagers) Sacrifice outlets (i.e., Phantom Train, Namazu Trader, Ahriman) Fodder (Hecteyes, job select equipment, Rufus Shinras poor disposable dog) A good WB deck has a healthy mix of all three, plus lots of strong removal spells like White Auracite and Sephiroth's Intervention
This was an excellent alternative to prowess tokens we've made in the past, which actively use combat and didn't feel quite right
I went over and took this picture recently: I saw them every time I got water