Shelgon, from the SM - Celestial Storm set, is an Uncommon rarity Reverse Holofoil variant card, numbered 105/168. Currently valued at $13.22, it has experienced an 18.1% increase in market value over the past 30 days. Collectors may find interest in its evolving role within the game, as well as its striking holographic design, which adds to its appeal in the Pokémon trading card market.