The Pokémon TCG: Sun & Moon—Burning Shadows Booster Pack is part of the third expansion in the Sun & Moon series, officially released on August 4, 2017.Each sealed pack contains 10 cards, including 1 basic Energy card.The set features over 140 cards, introducing 12 new Pokémon-GX such as Charizard-GX, Necrozma-GX, and Tapu Fini-GX.Collectors and players value this set for its inclusion of powerful GX cards and the elusive Rainbow Rare Charizard-GX.