The Gastrodon 29/114 XY Steam Siege Reverse Holo Pokemon TCG Card is a standard-sized collectible card featuring the Water-type Pokemon character Gastrodon. Manufactured by The Pokemon Company in 2016, this English-language card is part of the Steam Siege set and belongs to the Pokemon franchise. The card is a Stage 1 Pokemon card with a rarity of Reverse Holo, making it a sought-after item for collectors and players of the Pokémon Trading Card Game.