Undersea Ruins 138/147
Stadium card from Aquapolis · released Jan 15, 2003
Undersea Ruins is an Uncommon Stadium card, number 138/147 in Aquapolis (released Jan 15, 2003), illustrated by Midori Harada. Its TCGplayer market price was ~$6.57 for the normal finish on Oct 30, 2026. Between Oct 1 and Oct 30, 2026, its Normal TCGplayer market price went from ~$6.16 to ~$6.57, up 6.7%.
Prices by finish
| Finish | PriceMarket price | Low | Mid | Buy |
|---|---|---|---|---|
| Normal | ~$6.57 | ~$4.51 | ~$7.76 | CardNexuseBayBuy Normal on TCGplayer (opens in a new tab)Search eBaySearch AmazonCardNexus |
| Reverse Holofoil | ~$14.99No current listing near this price. | ~$49.47 | ~$67.59 | CardNexuseBayBuy Reverse Holofoil on TCGplayer (opens in a new tab)Search eBaySearch AmazonCardNexus |
TCGplayer market prices per finish, as of Oct 30, 2026. A guide, not an appraisal; condition and grading change real-world value. Buy links are affiliate links.
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Sealed Aquapolis products
TCGplayer market prices (via TCGCSV), Oct 30, 2026.
Card details
| Set | Aquapolis |
| Number | 138/147 |
| Rarity | Uncommon |
| Artist | Midori Harada |
| Format legality | Not legal in Standard or Expanded |
| Finishes | Normal · Reverse Holofoil |
What the codes mean
- Card number138/147Card 138 of the 147 in the main Aquapolis list.
- Set symbol
The small Aquapolis symbol identifies the set. Cards from before Scarlet & Violet print a symbol instead of a set code. - Regulation markNo regulation mark. Cards before Sword & Shield (2020) have none.
- RarityUncommon: a black diamond.
- Illustrator“Illus. Midori Harada” names the artist who made the art.
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.
More Aquapolis cards
Card data via TCGdex and pokemontcg.io, updated Oct 30, 2026. Prices: TCGplayer market prices via TCGCSV, Oct 30, 2026.