From Bulbapedia, the community-driven Pokémon encyclopedia.
Pikachu has been featured on 104 different cards since it debuted in the Base Set of the Pokémon Trading Card Game. Pikachu cards are normally Lightning-type Basic Pokémon. In Japan, Pikachu Half Deck was featured in the Gift Box DPt released in November 2008.
List of Pokémon cards featuring Pikachu