So while it wasnt truly official outside of tournaments until 1999, it was already widely accepted before then
The One Ring is rare because Wizards printed exactly one on purpose
It's even a bit shocking that Ephemerate didn't show up in these packs, though I suppose this was left out to not bring about complexity overload thanks to rebound being a bit of a unique mechanic
There's also Grim Haruspex as another way to refuel or Gate to the Afterlife if pitching cards is important.
The deck has a fantastic early ramp package, mixing a blend of the usual suspects with unique picks that help this deck feel different: Inspiring StatuaryInspiring Statuary Nature's LoreNature's Lore Sword of the AnimistSword of the Animist From there, the deck curves out well with high-value Equipment that even decks not focused on the archetype could make great use of: Trailblazer's BootsTrailblazer's Boots Champion's HelmChampion's Helm Darksteel PlateDarksteel Plate It doesnt rely on high value spells it only has 10 cards mana value five or more, partially because itll sink a decent amount of mana into equip costs
For instance, theres no indication about whether this deck will feature a Universes Beyond crossover with the 2001 cinematic masterpiece Cats & Dogs