Pokemon 151 was a landmark release celebrating the franchise's 25th anniversary, revisiting the original 151 Pokémon from the debut generation. This set marked a nostalgic return to Kanto while incorporating modern card design and mechanics, resonating deeply with collectors who grew up with the franchise's earliest games and cards. The set became highly sought after, blending retro appeal with contemporary collecting culture. Mew ex serves as the set's ultimate chase card, featuring one of Pokémon's most iconic and mysterious legendary creatures. As an ex Pokémon with powerful mechanics and striking artwork, this card represents the pinnacle of what collectors hunt for in booster boxes—the rare, game-changing card that defines the entire set experience.