スカーレットex ( Scarlet ex )

Pokémon TCG: Scarlet ex is a Japanese-language booster expansion in the Scarlet & Violet series that marks a major shift in the franchise by bringing “ex” Pokémon to the forefront and introducing mechanics like Terastallization for the first time. The set consists of a core main-set of 78 cards plus approximately 30 secret or variant rarities, giving it a total of roughly 108 unique prints.