From Bulbapedia, the community-driven Pokémon encyclopedia.
Regigigas has been featured on 8 different cards since it debuted in the Legends Awakened expansion of the Pokémon Trading Card Game. Regigigas cards are normally Colorless-type Basic Pokémon. In Japan, Regigigas was featured in the Heatran vs Regigigas Deck Kit released in March 2008.
List of Pokémon cards featuring Regigigas