Pokémon · Aquapolis
Undersea Ruins
French name: Ruines sous marines
Undersea Ruins (Aquapolis 138/147) has a market price of US$6.86 to US$14.99 as of Nov 9, 2026.
Price guide
The market price on TCGplayer, in US dollars: a guide, not an offer.
Market price
As of Nov 9, 2026 · The market price is TCGplayer’s, in US dollars. It is a guide, not an offer.
Card details
- Type
- Trainer - Stadium
- Artist
- Midori Harada
Card text
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.
About this card
Undersea Ruins is card 138/147 in Aquapolis, a Pokémon set released Jan 15, 2003. Rarity: Uncommon. Finishes: Normal, Reverse Holofoil. Illustrated by Midori Harada. Reference market price on Nov 9, 2026: US$6.86 (Normal), US$14.99 (Reverse Holofoil). Over the last 30 days, the Normal price went up 8.4%. Source: TCGplayer market data via tcgcsv.com, updated daily. A reference price is not an offer.