Those are the six characters that make up the first set of Disney Lorcana trading cards
Based on my time with it so far, that could finally change with Disney Lorcana
Suit up with the best spider-gear in any dimension
That was the basic through-line with every installment for a while, and even many of the later games that leaned back on the series' crystalline origins
Like most Magic: The Gathering cards, the value of Gilgamesh, Master-at-Arms depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Final Fantasy)
Thrasios, Triton Hero often chills in the command zone until you have infinite mana to feed into its activated ability so you can draw your deck and win with Thassa's Oracle, but you can also exploit the activated ability with cards like Training Grounds and Seedborn Muse