Even though there are a few different versions of the 102 cards in the first base set, there are some really simple ways to tell if your Pokmon cards are from the original release
Houndoom (Promo-A 96 / P-A) card How to get: Was obtained randomly through Promo Cards gifted after securing victories in solo battles during the Blissey EX Drop event running until August 16, 2025
Deck Lists Now on to deck lists
Value Cards: Atraxa, Praetors Voice Reyhan, Last of the Abzan Crystalline Crawler Ishai, Ojutai Dragonspeaker Deepglow Skate Ikra Shidiqi, the Usurper Kalonian Hydra Cauldron of Souls Hardened Scales Brave the Sands Cathars Crusade Underground River So, of special note is that Atraxa, Praetors Voice was just reprinted in March of the Machine , which caused her to drop drastically (cut by over $20)
You can also open 1 of 30 mythic rare Realms and Relics cards in non-foil (31.3%)
With this being the six Disney Lorcana set, Stitch apparently took it upon himself to claim card 26 (as in Experiment 626)