Undersea Ruins #138
As card #138 in Aquapolis, Undersea Ruins is a Uncommon Trainer card worth about $14.99 ungraded.
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By CardLedger Research · Market data updated · Prices from TCGplayer & Cardmarket
Net estimates use each marketplace's default seller tier and typical shipping — fees vary by category, account status and payment method, so confirm current rates before selling.
Undersea Ruins #138 has slipped week-on-week. Selling sooner limits downside, while buyers get a value window.
Undersea Ruins at a glance
- Live market value $14.99 for the Reverse Holofoil print.
- Aquapolis, E-Card series, 2003.
- 7-day average €2.31; 30-day average €2.48.
- Rarity tier — Uncommon.
- Cardmarket trend price €2.22.
Undersea Ruins price by printing
Live TCGplayer and Cardmarket values for Undersea Ruins #138.
TCGplayer prices, updated 2026/10/26.
- Low
- $14.98
- Mid
- $49.47
- High
- —
- Low
- $4.51
- Mid
- $7.77
- High
- —
Cardmarket pricing (EUR)
Cardmarket data updated 2026/10/26.
Verify the card image and live listings on TCGplayer, Cardmarket or eBay.
Is this Undersea Ruins a good deal?
Put any asking price against today's live market value for Undersea Ruins #138.
Enter what a seller is asking for Undersea Ruins #138. We compare it to today's live market value.
About Undersea Ruins #138
Printed as #138 in Aquapolis, Undersea Ruins belongs to the E-Card series and dates to 2003. This Trainer (Stadium) is used in decks as well as collections.
The card is illustrated by Midori Harada and currently trades at $14.99 for the Reverse Holofoil printing, with a low-to-high range of $14.98 to —.
Card facts
- Set
- Aquapolis
- Series
- E-Card
- Number
- #138 / 147
- Rarity
- Uncommon
- Illustrator
- Midori Harada
- Subtype
- Stadium
- Released
- 2003/01/15
Undersea Ruins attacks, abilities & battle stats
Printed card text and battle statistics for Undersea Ruins #138 — the playability layer behind the price.
Battle stats
- Retreat cost
- —
- Attacks
- —
Undersea Ruins price analysis
What drives the current market value of Undersea Ruins #138.
There are 2 tracked printings here — Reverse Holofoil at $14.99, Normal at $6.57.
In the $14.99 band, condition and variant selection create meaningful price differences.
At $14.99 there is enough headroom for both flipping and collecting; compare the low and high ends before committing.
In EUR, Undersea Ruins trends at €2.22 on Cardmarket (avg sold €2.43, lowest NM €0.99).
Undersea Ruins price history & movement
Recent sales average €2.31 over 7 days versus €2.48 over 30 days, so the card is cooling off (-6.9%).
The most recent 24-hour average is €1.18, and Cardmarket's trend price sits at €2.22.
Our own daily snapshots now cover 4 days for Undersea Ruins, with a recorded low of $14.99 and high of $14.99; current value is at 100% of that band.
Daily moves average a volatility of 0%, and the largest peak-to-trough drawdown recorded is 0%.
Cardmarket averages
Price fingerprint
Built from CardLedger's own daily snapshots · 4 days tracked · latest
Real recorded values from our daily TCGplayer snapshots — not estimates or back-filled history. Methodology
How much would you net selling Undersea Ruins?
Model the real take-home on a [object Object] sale across eBay, TCGplayer, Cardmarket and direct — fees and shipping included.
On a $14.99 sale, the take-home differs by platform: about $12.70 via eBay's default tier, $12.78 on TCGplayer, $13.89 on Cardmarket, $13.06 on Whatnot and $14.99 selling directly — a $2.29 spread after fees and typical shipping.
High-fee marketplaces reach the biggest buyer pool, while direct and low-commission routes keep more margin but move slower — adjust the widget below for your own shipping and price.
Your sale
Pre-filled with the current TCGplayer market for Undersea Ruins #138.
Modelled on each marketplace's default seller tier with your shipping input. Net payout = sale price − selling fees − outbound shipping. Fee figures are estimates (last reviewed October 15, 2026) and vary by category, account status and payment method — confirm current rates with the marketplace. Open the full seller fee calculator to model account tiers and buyer-paid shipping.
Should you grade Undersea Ruins?
Model the break-even and PSA 9 vs PSA 10 profit on grading Undersea Ruins #138 against today's raw market value.
Grading plan
Pre-filled with the live market value for Undersea Ruins #138.
Both-way postage plus declared-value insurance.
Estimated graded values below are a transparent starting point based on the raw price band — edit them with real graded comps before deciding.
At $14.99 raw and $40.00 all-in grading cost, a PSA 10 nets — versus selling raw, a PSA 9 nets —. You need a graded sale of $60.97 to break even on grading.
At your stated grade odds the expected profit is — (-39.8% return on cost basis).
Grading costs, turnaround and grade outcomes vary by service and card. The estimated PSA 9 and PSA 10 values are heuristics, not predictions — always sanity-check against recent graded sold listings before committing. This is a modelling tool, not financial advice.
Undersea Ruins within Aquapolis
By market value Undersea Ruins sits at #154 of 174 in Aquapolis (set median $63.74).
It sits in the top 12% of the checklist on price.
The set's top card is Houndoom (#H11), valued at $1,571.99.
What makes Undersea Ruins valuable
- Uncommon is a common-to-mid rarity, so value depends more on condition, variant and playability than on scarcity alone.
- Classic-era (2003) cards have a dedicated collector base and no prospect of new supply.
- Its steady supply status keeps entry costs low, which supports steady turnover.
- Undersea Ruins is a Trainer, so its value leans on deck utility and set builders.
- The Midori Harada artwork gives Undersea Ruins appeal beyond pure playability.
Buying & selling Undersea Ruins
- Aquapolis was released in 2003; sealed product from this era is limited, so raw singles appreciate with collector demand.
- Track the Cardmarket 7- and 30-day averages (€2.31 and €2.48) to time entries and exits.
- If you are buying to resell, model marketplace fees first — the $14.99 value is pre-fee, and the seller-fee calculator shows the net take-home per platform.
- For Undersea Ruins, confirm the exact print variant before buying: Reverse Holofoil, Normal prices differ, and listings often mix them.
- Bulk lots of Undersea Ruins can hide condition issues; inspect edges and holo surfaces before paying near the — high.
Undersea Ruins value questions
What is the value of Undersea Ruins?
Undersea Ruins trades near $14.99 on TCGplayer (Reverse Holofoil), ranging $14.98–—; Cardmarket shows €2.22.
Will Undersea Ruins hold its value?
Short-term momentum is softening (-6.9%). Older print runs tend to be more defensive holds.
Is Undersea Ruins rare?
Undersea Ruins is a Uncommon card from Aquapolis (E-Card series, 2003). It sits in a common-to-mid rarity tier, so condition and variant matter more than raw scarcity.
Does Undersea Ruins have multiple printings?
TCGplayer tracks 2 printings: Reverse Holofoil ($14.99), Normal ($6.57). Prices differ between variants, so always confirm which one you own or are buying.
Which marketplace sells Undersea Ruins?
The main marketplaces are TCGplayer (USD), Cardmarket (EUR) and eBay. Current TCGplayer market is $14.99. When selling, compare net proceeds after fees — eBay and TCGplayer typically charge 9–13%, while direct sales carry lower or no fees.
What affects the price of Undersea Ruins?
Four factors dominate: the Uncommon rarity tier, the classic-era E-Card set pedigree, playability (Trainer), and condition. Artwork by Midori Harada also matters to collector demand.
