Shiny Treasure ex represents a significant milestone in Japanese Pokémon TCG history as one of the earliest high-impact sets focused on full-art and alternative rarity cards. Released in 2023, it captured collector enthusiasm during a period when Japanese releases were gaining considerable momentum in the Western market. The set's emphasis on visually striking chase cards helped define the era's aesthetic direction for Pokémon cardboard. Quaquaval ex showcases the final evolution of Paldea's water-type starter line in dynamic full-art presentation. The card features striking illustration work that emphasizes the Pokémon's elegant, acrobatic nature. Collectors seek this Double Rare variant for its artistic appeal and as a key piece from a landmark set that shaped contemporary collecting trends.