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2017 Mega-Tins Mega Pack / MP17-EN231
Sea Monster of Theseus
Secret Rare
$1.27TCGplayer market, 1st Edition
7 days −14.2%30 days —90 days —
$1.27
Oct 30, 2026
- Lowest listing
- $0.40
- Mid price
- $4.00
- Highest tracked
- $1.48Oct 2026
- Cardmarket trend
- —
- Cardmarket 30-day average
- —
- In circulation
- 9.2 yrssince Aug 2017
