Sea Monster of Theseus
2017 Mega-Tins Mega PackMP17-EN231Secret Rare
- Address
- MP17-EN231
- Rarity
- Secret Rare
- Finishes
- Non-foil
- Game
- Yu-Gi-Oh!
- Non-foil
- $13.13
TCGplayer, 1st Edition, checked 2026-09-08. An informational market estimate, not an appraisal of your copy.
Is this the one you are holding?
The bottom edge of your card should read MP17-EN231. There are 2 other printings of Sea Monster of Theseus, worth $0.32 to $12.47. See all of them.
No price history for this printing yet. A chart needs more than one reading, and this one has been priced once so far. It is recorded daily from here.
3 printings of Sea Monster of Theseus
They range from $0.32 to $12.47, a 39× difference for a card with the same name. The set code and collector number printed along the bottom edge are what tell them apart — and OtterDex reads that line off the card for you.
