Sea Monster of Theseus
2017 Mega-Tins Mega Pack (tcgp) · MP17-EN231
Secret Rare
UK market price
£2.06
Updated 19/10/2026
Nobody is selling this on TCG Hamster right now.
2017 Mega-Tins Mega Pack (tcgp) · MP17-EN231
Secret Rare
UK market price
£2.06
Updated 19/10/2026
Nobody is selling this on TCG Hamster right now.