While the regular Pikachu ex's art is still gorgeous ... where Pikachu dons iconic Mario and Luigi-themed clothing and mustaches. These Dragon-type cards reign as the most valuable.

Franchise mascot Pikachu has seen some particularly valuable promos, with cards like the "Mario Pikachu" and ... with the chance for their art to be featured on a special promo Pokemon card.

and I worked on "Detective Pikachu." Narrator: He started drawing when he was just three years old. He continued to hone his craft at the San Francisco Academy of Art. Then in 2012, his drawings ...