Terastal Festival ex is both an end-of-year special reprint set in the vein of Crown Zenith and Paldean Fates, and the debut of new Special Illustration Rare versions for the entire Eevee evolution line, like Scarlet & Violets answer to Evolving Skies
Putting the cards in old frames made it feel more about the "alternate past" (and yes the alternate present versus alternate past was a debate that raged through most of the set's design and development)
There will be multiple editions of The One Ring card, including a main set version and bundle alt-art and extended art versions, But the true prize is the 1 of One Ring, A traditional foil card printed in the Black Speech of Sauron using Tengwar letterforms So, if you want to wield the mighty One Ring card, it can only be found in an English-language Lord of the Rings: Tales of Middle-earth collector booster pack
Otherwise, they don't pull their weight
Its a pretty cute scene, even if Gulpin does look ridiculous