The most valuable card illustrated by Keisuke Azuma is Mega Excadrill ex (Pitch Black) at $5, ahead of Mega Pyroar ex ($3) and Umbreon ex ($1).
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 Keisuke Azuma card is Mega Excadrill ex (Pitch Black) at $5, followed by Mega Pyroar ex (Chaos Rising) $3, Umbreon ex (30th Celebration) $1, Mega Excadrill ex (Pitch Black) $1, Mega Pyroar ex (Chaos Rising) $1. Prices are TCGplayer market for raw copies (any condition) and refresh daily.
TickerMint tracks 5 Pokemon cards illustrated by Keisuke Azuma across 5 printings, with a combined market value of $11 counting each card once at its priciest printing.