The Terastal Fest ex set represents a significant moment in Japanese Pokémon TCG history, celebrating the introduction of Terastallization mechanics from Scarlet and Violet. Released in 2024, this set bridged the gap between the games' mechanics and the trading card game, offering collectors a contemporary snapshot of Pokémon's modern era. Reverse holo versions became particularly sought after for their visual appeal and collectability. Goldeen's elegant presence as a water-type Pokémon has long resonated with collectors who appreciate aquatic designs. This reverse holo version captures the card with distinctive visual treatment, making it an appealing addition for those building comprehensive set collections or focusing on specific Pokémon lines from this notable 2024 release.