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  6. Sea Monster of Theseus

Yu-Gi-Oh! · Raging Tempest · #RATE-EN081 · Secret Rare

Sea Monster of Theseus

Yu-Gi-Oh! card price for Sea Monster of Theseus: $21.82 market, from $0.99 at the cheapest listing, Unlimited printing, updated Oct 20, 2026. Full price history since Feb 8, 2024 below.

Market price · Unlimited · Oct 20, 2026
$21.82
0.0% this week · −3.8% in 30 days
Buy on eBay →
1 day0.0%
7 days0.0%
30 days−3.8%
90 days−13.0%
1 year+1,425.9%
All time+637.2%

Sellers right now

$0.99lowest listing$95.98highest
Market price$21.82
Mid listing$7.65
30-day avg$22.05

Market price is what a near-mint copy actually sold for. The cheapest listing is what a seller asks today — on thin markets the two differ a lot.

Where to buy

TCGplayer$21.82

One year

$1.4352-week low$25.9252-week high
In the range83%
All-time low$0.71
All-time high$25.92
First priceFeb 8, 2024
Unlimited · market price
$21.62$22.89$24.15$25.42
$21.82
Jul 22Aug 21Sep 20Oct 20
TCGplayer market price · via tcgcsvtcgrate.com

Price story

Our price record for Sea Monster of Theseus (Unlimited) begins in February 2024 at $2.96; the market price today is $21.82, up 637% since then. In the last year the price changed +1,426% and ranged from $1.43 to $25.92, and it now trades near the top of that range. Its all-time high in our data is $25.92, still 18.8% above the current price. The cheapest listing right now is $0.99, and the 30-day average market price is $22.05.

Printings

PrintingMarketLowHigh7d
Unlimited$21.82$0.99$95.980.0%
1st Edition$7.48$1.68$94.75−17.4%

The card in play

ATK2200
DEF1800
Card type
Fusion/Tuner Monster
Attribute
WATER
Monster type
Zombie
Card text

2 Tuners

Other printings of Sea Monster of Theseus

2 more · $0.31 – $21.82
All printings
Sea Monster of Theseus (MP17-EN231), 2017 Mega-Tins Mega Pack — Yu-Gi-Oh! card price −52.0% 7d Sea Monster of Theseus 2017 Mega-Tins Mega Pack · #MP17-EN231 $2.74 Sea Monster of Theseus (MAMO-EN071), Magnificent Monsters — Yu-Gi-Oh! card price +14.8% 7d Sea Monster of Theseus Magnificent Monsters · #MAMO-EN071 $0.31

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