The Pokémon TCG: Blue Sky Stream (S7R) Booster Box is the Korean edition of the Japanese expansion, released on September 8, 2021.This set prominently features Rayquaza VMAX and reintroduces Dragon-type Pokémon to the Trading Card Game.Each Korean booster box contains 30 packs, with each pack including 5 cards, offering collectors and players opportunities to obtain rare and powerful cards.