Pokémon Card Game – Storm Emerald (Japanese) 1 pack = 5 cards 1 box = 30 packs Language: Japanese Storm Emerald Booster Box an exciting addition to the Pokémon Trading Card Game! Each box contains 30 booster packs, with 5 Japanese cards per pack, giving collectors and players the chance to discover powerful Pokémon, stunning holofoil cards, and exclusive artwork from the Japanese release.