From Bulbapedia, the community-driven Pokémon encyclopedia.
Gardevoir has been featured on 15 different cards since it debuted in the EX Ruby & Sapphire expansion of the Pokémon Trading Card Game. Gardevoir cards are normally Psychic-type or Fairy-type Stage 2 Pokémon. In Japan, Gardevoir was featured in the Imprison! Gardevoir ex Constructed Standard Deck released in June 2006. Outside of Japan, Gardevoir was featured as part of the EX Battle Stadium released in October 2004, and later the Gardevoir Deck in July 2005.
List of Pokémon cards featuring Gardevoir