Groudon-EX
XY Black Star Promos · #XY42 · Promo
$13.72US · TCGplayer
$8.79EU · Cardmarket
-1%7-day (EU)
+11%30-day (EU)
Market read: flat this week; notably pricier in the US.
#112 most valuable of 216 cards in XY Black Star Promos.
TCGplayer range: low $6.75 · market $13.72 · high $9,999 (holofoil)
Prices datamined 2026-06-12. The 7/30-day trend is Cardmarket (EU) — an early momentum signal, not a guarantee.