The Pokémon Mystery Pack Seeded 1:10 Crystal Guardians is a collectible card game pack containing cards from the Pokémon Trading Card Game set. Each pack includes a rare crystal character card, making it a sought-after item for collectors and players. The manufacturer is unknown, adding to the element of mystery and excitement when opening these packs. With a high ratio of 1:10, this lot of 10 packs offers a chance for lucky individuals to add some unique and valuable cards to their collection.