
Collection X represents a cornerstone of the Pokémon TCG's XY Series, marking the game's expansion into the Kalos region. Released exclusively in Japan on December 13, 2013, this set consists of 63 cards and is part of a main series expansion. Its introduction laid the groundwork for new mechanics and Pokémon, capturing the interest of both collectors and competitive players alike. The set's significance stems from its role in showcasing the first-ever cards of many Kalos Pokémon.
The central theme of Collection X revolves around the introduction of the XY Series' Kalos region, with a focus on the newly discovered Pokémon. The artwork is characterized by vibrant colors and dynamic poses, reflecting the energy and freshness of the Kalos region. Notable design motifs include intricate backgrounds that often highlight the Pokémon's natural habitat, offering a sense of immersion and exploration. The visual style is both bold and refined, capturing the essence of the new generation with a modern artistic flair.