Each card is coated with a UV protectant on the outside surface which produces a semi-gloss finish
This has some cool implications, the biggest being that while you're encountering a different Cid in every Final Fantasy game, you're always encountering the same Gilgamesh, just traveling across dimensions, looking for cool swords, and occasionally being voiced by John DiMaggio (FFXII)
This means that you can trade in a rare wildcard for any available rare card, an uncommon wildcard for any available uncommon card, etc
Nevertheless, it does feature a beautiful illustration of a Shiny Palafin in its Hero Form
Helm of Chatzuk If you want to band some of your attackers or defenders to make strong and protected creatures, then why not give that ability to any of your creatures