proxy mtg cards Custom It keeps its abilities and types.) When Arcane Proxy enters the battlefield Proxy card - MTG Wiki

Your players will step into the worlds of the beloved FINAL FANTASY RPG series' sixteen mainline games with a Commander deck mainly featuring cards from FINAL FANTASY VI, FINAL FANTASY VII, FINAL FANTASY X, and FINAL FANTASY XIV

It being only White means it is limited to what decks can use it, but I think thats fine considering the general support it offers the color its in

Whenever you cast a noncreature spell, Thancred Waters gains indestructible until end of turn

1 Sulfur Falls

These cards were all the very first promo cards available for purchase in a collectors' set over a year before The First Chapter's launch