The Celebrations reprint of Shining Magikarp is one of the Ultra Rare cards included in the Classic Collection, commemorating this cards original rarity and importance to the game
Baylen, the Haymaker Brave-Kin Duo Burrowguard Mentor Byrke, Long Ear of the Law Druid of the Spade Finneas, Ace Archer Harvestrite Host Hazardroot Herbalist Head of the Homestead Intrepid Rabbit Pawpatch Recruit Seasoned Warrenguard Treeguard Duo Valley Questcaller Warren Elder Warren Warleader
Look for: Graded 10s, Gems, 1st Editions, Holos, Foils, Shadowless, Low Pops, Sealed Packs, Graded Videogames, Graded Comics Chase original sealed packs from the following sets: 1999 WotC Pokmon Base Foil Packs 1999 Pokemon Fossil 1st Edition Packs 1999-2000 WotC Pokmon Jungle Foil Packs 1999 Pokemon Jungle 1st Edition Packs Look for modern packs including: Pokemon 151 Evolving Skies Fusion Strike Prismatic Evolutions Destined Rivals Surging Sparks Phantasmal Flames Paldean Fates Lost Origin Mega Evolution Paldea Evolved Surging Sparks Phantom Forces XY Evolutions Team Up Unbroken Bonds Black & White Noble Victories XY Flashfire Legendary Treasures Cosmic Eclipse Chaos Rising And more
Imo they will probably remain niche, but one of high esteem
If you play Magmortar and Typhlosion, consider putting in Burning Energy, as then you could create the Fire archetype to be it's own little thing