>>27302525I think it's important to make a distinction between designer and artist. For example, we know for a fact that Hitoshi Ariga designed the Honedge line, but the official art of them is clearly by Sugimori.
But with that said, Sugimori did indeed draw both Magearna's and Volcanion's official art. Sugimori also seems to illustrate the art of the human characters in Sun and Moon (excluding the two protagonists), while protagonists and all new Alola Pokémon are by Yusuke Ohmura.
