Mythical Island

Mythical Island (A1a) is the first mini expansion set for Pokémon Trading Card Game Pocket, released on December 17, 2024. Centered on Mythical Pokémon such as Mew, this set features a compact card pool with a single themed booster, introducing synergy-based effects and flexible Pokémon ex that expand deck-building options without drastically altering the early meta.