As a result of these edge-case disagreements and the games breathtaking combination of longevity and publishing velocity, it is surprisingly challenging to answer what should be a fairly simple question
Prismatic Evolutions introduces several new ACE SPEC cards that have quickly become some of the most sought-after singles in the set
As far as card recommendations go, Id suggest running the likes of Essence Pulse, Blossoming Bogbeast, and Mortality Spear
Rotation will wipe out all competitive demand for these cards, but cards of Pokmon like Gengar will be largely unaffected since the vast majority of their demand comes from collectors
There's a really nice interaction with All Will Be One in this deck, but I really fear you will struggle to close out games
Selfless Savior, Skrelv, Defector Mite, and Mother of Runes are examples of mana-free protection that we can cast before casting our commander (protection from color can also double as evasion!), and we also have cards like Brass Squire which can equip protection for free