The Steam Siege Single Pack Blister [Lucario] XY - Steam Siege EN is a collectible card game product from The Pokémon Company. This pack contains 11 standard-sized cards featuring the character Lucario from the Pokémon franchise. Manufactured in 2016, this original licensed reprint is in English and includes promo, booster, and chase features. The pack is designed for ages 6 and up and is a must-have for Pokémon TCG fans looking to add to their collection.