Sea Monster of Theseus is a Zombie Fusion Monster with Attribute WATER, Level 5, ATK 2200, DEF 1800.
Fusion Summons typically need listed materials and a Fusion method (Polymerization, contact, etc.).
On the current TCG and OCG Forbidden & Limited lists tracked here, Sea Monster of Theseus is Unlimited.
YGOPRODeck lists Sea Monster of Theseus for these formats: TCG, OCG, Master Duel.
A listed print of Sea Monster of Theseus appears in 2017 Mega-Tin Mega Pack (MP17-EN231) at Secret Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Sea Monster of Theseus is about $0.02 on Cardmarket (prices change frequently).
