The most valuable card illustrated by Wataru Kawahara is Gyarados (HeartGold SoulSilver) at $500, ahead of Charizard G LV.X ($451) and Tyranitar ($256).
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 Wataru Kawahara card is Gyarados (HeartGold SoulSilver) at $500, followed by Charizard G LV.X (Supreme Victors) $451, Tyranitar (Unleashed) $256, Steelix (Unleashed) $125, Latios (HGSS Black Star Promos) $110. Prices are TCGplayer market for raw copies (any condition) and refresh daily.
TickerMint tracks 35 Pokemon cards illustrated by Wataru Kawahara across 37 printings, with a combined market value of $2,098 counting each card once at its priciest printing.