From Bulbapedia, the community-driven Pokémon encyclopedia.
Lucario has been featured on 26 different cards since it debuted as one of the PCG-P Promotional cards of the Pokémon Trading Card Game. Lucario cards are normally Fighting-type or Metal-type Stage 1 Pokémon. In Japan, Lucario was featured in the Master Kit released in July 2005. Outside of Japan, Lucario was also featured in the Diamond & Pearl Trainer Kit released in September 2007.
List of Pokémon cards featuring Lucario