Decidueye-GX
SM Black Star Promos · #SM37 · Promo
$7.64US · TCGplayer
$5.78EU · Cardmarket
+15%7-day (EU)
-11%30-day (EU)
Market read: flat this week; notably pricier in the US.
#133 most valuable of 251 cards in SM Black Star Promos.
TCGplayer range: low $4.98 · market $7.64 · high $4,321 (holofoil)
Prices datamined 2026-06-12. The 7/30-day trend is Cardmarket (EU) — an early momentum signal, not a guarantee.