The most valuable card illustrated by Katsunori Sato is Metagross (Temporal Forces) at $34, ahead of Applin ($15) and Larvesta ($14).
Value counts each card once at its highest-priced printing. The homepage leaderboard additionally requires a priced rarity cohort, so its totals run slightly leaner.
By TCGplayer market price, the most valuable Katsunori Sato card is Metagross (Temporal Forces) at $34, followed by Applin (Twilight Masquerade) $15, Larvesta (Black Bolt) $14, Wailord (Journey Together) $12, Bronzong (Temporal Forces) $0. Prices are TCGplayer market for raw copies (any condition) and refresh daily.
TickerMint tracks 7 Pokemon cards illustrated by Katsunori Sato across 7 printings, with a combined market value of $75 counting each card once at its priciest printing.