Undersea Ruins (Uncommon) — 2003 Pokémon AQUndersea RuinsUncommon#138checkthe.cards

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Sets / Aquapolis / 138/147

Undersea Ruins

Stadium

Prices

Market price · TCGplayer (US) · Normal$6.16

Price trend · Cardmarket (Europe) average sale price, in euros

30-day avg · €2.63Cardmarket salesYesterday · €2.49

Weekly US price history started September 28, 2026; the trend switches to it after a second week.

Where to buy

TCGplayer US$6.16Normal $6.16Reverse holo $14.99Shop ↗
Cardmarket Europe€2.4830-day avg €2.63−9.1% this weekShop ↗
eBay Worldwide—Live listings and recent salesShop ↗Sold ↗

This card stays in play when you play it. Discard this card if another Stadium card comes into play. Once during each player's turn (before attacking), that player may flip a coin. If heads, that player chooses 1 of his or her Evolved Pokémon in play and discards the top Evolution card from that Pokémon, devolving it.

Rarity: Uncommon
Illustrator: Midori Harada
Variants: Normal, Reverse holo
Regulation: —