KIYOTAKA OSHIYAMA is credited on Pokémon Trading Card Game artwork from 2019 to 2024. Their cards appear across the Sword & Shield and Scarlet & Violet series, with recurring placements in Scarlet & Violet, Fusion Strike, and Crown Zenith.
The work is characterized by cartoonish, playful rendering and lighthearted, energetic moods, supported by vibrant palettes that often lean bright or contrasting. Compositions tend to read as balanced yet dynamic, frequently keeping the subject in clear focus while allowing action-forward staging. Among the most sought-after cards illustrated by KIYOTAKA OSHIYAMA is Rapid Strike Urshifu VMAX.