From Bulbapedia, the community-driven Pokémon encyclopedia.
Groudon has been featured on 18 different cards since it debuted as one of the Nintendo Black Star Promos of the Pokémon Trading Card Game. Groudon cards are normally Fighting-type Basic Pokémon. In Japan, Groudon was featured in the Earth's Groudon ex Constructed Starter Deck released in March 2006.
List of Pokémon cards featuring Groudon