Sea Monster of Theseus is a WATER Zombie Fusion Monster from the Magnificent Monsters set. It has a Level of 5, 2200 ATK, and 1800 DEF. This Yu-Gi-Oh! trading card features an Ultra Rare Holo finish and is identified by the card number MAMO-EN071.
2026 • Yu-Gi-Oh! • Magnificent Monsters
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Sea Monster of Theseus is a Yu-Gi-Oh! trading card game card. It is a Fusion Monster of the Zombie type with the WATER attribute. The card has a Level of 5 and stats of 2200 ATK / 1800 DEF. It is part of the Magnificent Monsters set, with the set code MAMO. The card number is MAMO-EN071. The rarity is Ultra Rare and the finish is Holo.
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The catalog profile below summarizes the card identity, featured subject, and notable collectible traits.
The core identity of the card within the set.
The subject, team, league, and sport context tied to this card.
Featured
Sea Monster of Theseus
Game
Yu-Gi-Oh!
Rarity, print treatment, and game-specific stats for this card.
Ultra Rare
Card Stock
English
Holo
Water
Zombie
5
2200 / 1800
Abilities, attacks, oracle text, and flavor text printed on the card.
2 Tuners
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