The most valuable card illustrated by Tomowaka is Crispin (Prismatic Evolutions) at $24, ahead of Lacey ($24) and Emolga ($21).
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 Tomowaka card is Crispin (Prismatic Evolutions) at $24, followed by Lacey (Prismatic Evolutions) $24, Emolga (Black Bolt) $21, Roxie's Performance (Chaos Rising) $17, Darumaka (Black Bolt) $16. Prices are TCGplayer market for raw copies (any condition) and refresh daily.
TickerMint tracks 10 Pokemon cards illustrated by Tomowaka across 14 printings, with a combined market value of $130 counting each card once at its priciest printing.