From Bulbapedia, the community-driven Pokémon encyclopedia.
Mizutani's first illustration
Megumi Mizutani (Japanese: 水谷恵) is an illustrator for the Pokémon Trading Card Game and one of the Pokémon designers for Generation V, thus leading to other credits, such as conceptual character artist for Pokémon the Series: Black & White of the Pokémon anime. She has also drawn several characters for Pokémon Omega Ruby and Alpha Sapphire. She has provided illustrations for 84 different cards, starting in the Black & White Series with the Pansage Pokémon card featured to the right. Her other illustrations have all been reprints of Supporter cards: Bianca and N featuring alternate regular reprints of their Pokémon Black and White designs, and Full Art reprints of Cheren and Bianca featuring their designs from Pokémon Black 2 and White 2.
She also designed Pancham for Pokémon X and Y.
For the complete list of cards that Megumi Mizutani has illustrated, go here.