Yu-Gi-Oh! · Raging TempestSecret Rare
Sea Monster of Theseus RATE-EN081
Sea Monster of Theseus from Raging Tempest (Yu-Gi-Oh!). Daily Cardmarket market price.
NumberRATE-EN081
RaritySecret Rare
LanguageEnglish
ReleasedFeb 9, 2017
Illustrator—
Market price · Normal Well below usual
€1.54
▼ -85.8% vs 30-day avg
Lowest€3.49
7-day avg€6.56
30-day avg€10.88
E-mail me when the price drops to
€
Price source: Cardmarket public price guide · updated Nov 3, 2026
Prices by variant
| Variant | Trend | Lowest | 30-day avg |
|---|---|---|---|
| Normal | €1.54 | €3.49 | €10.88 |
| Foil | €1.00 | — | €1.10 |
Price history
Days before Oct 30, 2026 are estimated from Cardmarket averages (30, 7 and 1 day); from then on — our daily readings.
Card details
- Name
- Sea Monster of Theseus
- ID
- cm:295499
Card value FAQ
How much is Sea Monster of Theseus RATE-EN081 worth?
Sea Monster of Theseus RATE-EN081 from Raging Tempest is currently worth €1.54 (Cardmarket trend, Normal variant, Nov 3, 2026). Listings start at €3.49. 30-day average: €10.88.
Which version of Sea Monster of Theseus is the most valuable?
Of its 2 variants, Normal is valued highest at €1.54.
Is Sea Monster of Theseus RATE-EN081 going up in value?
Compared with the 30-day average, the price is down 85.8%. The chart above shows the daily price history, and you can set a price-drop alert.
