Yu-Gi-Oh! · Raging Tempest

Sea Monster of Theseus

French name: Monstre des Mers de Thésée

RATE-EN081Secret Rare

Sea Monster of Theseus (Raging Tempest RATE-EN081) has a market price of US$5.61 to US$19.87 as of Nov 9, 2026.

Sell this card

Price guide

The market price on TCGplayer, in US dollars: a guide, not an offer.

Market price

1st EditionUS$5.61Low US$1.68

UnlimitedUS$19.87Low US$0.99

As of Nov 9, 2026 · The market price is TCGplayer’s, in US dollars. It is a guide, not an offer.

Card details

Type: Fusion Monster
Level: 5
Attribute: WATER
Monster type: Zombie
ATK: 2,200
DEF: 1,800

Card text

2 Tuners

About this card

Sea Monster of Theseus is card RATE-EN081 in Raging Tempest, a Yu-Gi-Oh! set released Feb 10, 2017. Rarity: Secret Rare. Finishes: 1st Edition, Unlimited. Reference market price on Nov 9, 2026: US$5.61 (1st Edition), US$19.87 (Unlimited). Over the last 30 days, the 1st Edition price went down 32.0%. Source: TCGplayer market data via tcgcsv.com, updated daily. A reference price is not an offer.