From Bulbapedia, the community-driven Pokémon encyclopedia.
Rayquaza has been featured on 21 different cards since it debuted in the EX Dragon expansion of the Pokémon Trading Card Game. Rayquaza cards are normally Colorless-type or Dragon-type Basic Pokémon. In Japan, Rayquaza was featured in the Rayquaza Constructed Starter Deck released in July 2004, as well as in the Rayquaza Half Deck of the Gift Box Emerald released in November 2004.
List of Pokémon cards featuring Rayquaza