Kouki Saitou
Kouki Saitou has been credited on Pokémon Trading Card Game cards since 2003, with artwork appearing through 2024. Their illustrations span sets including Platinum, Black & White, and Scarlet & Violet, often using vibrant color, clear character focus, and lively, balanced compositions.
“The Registeel card captures a moment of quiet strength, showcasing the Pokémon in a dimly lit, ancient setting. Its metallic body gleams softly against the backdrop of stone walls, hinting at a long-forgotten history. The subtle glow of its features adds an air of mystery, as if Registeel is both guardian and relic of a bygone era. This scene evokes a sense of reverence for the enduring nature of this Pokémon.”
Editorial & Data
Published by Artchu Editorial. Card facts are based on structured reference data and Artchu enrichment. Visual commentary is AI-assisted and human-reviewed. Visual ranking reflects Artchu’s internal art_score methodology. Market data reflects the latest source shown on the page. Data refreshed: January 17, 2026.
Iron Head
Flip a coin until you get tails. This attack does 30 damage times the number of heads.
Forbidden Iron Hammer
If your opponent's Active Pokémon is a Pokémon-EX, discard an Energy attached to that Pokémon.