Sea Monster of Theseus
Yu-Gi-Oh! · 2017 Mega-Tins Mega Pack · Secret Rare · MP17-EN231
Released 2017-08-25
$15.00
30-day forecast: $15.00
Live Yu-Gi-Oh! price tracking, buyout detection, and price predictions for Sea Monster of Theseus on TCG Collector Tools.
Card Text
Fusion Monster · Zombie · WATER · Level 5 · ATK 2200 · DEF 1800
2 Tuners
Prices Across Marketplaces
Price Forecast
| Horizon | Forecast | vs Today |
|---|---|---|
| 7 days (stable) | $15.00 | +0.0% |
| 30 days (stable) | $15.00 | +0.0% |
| 90 days | $19.08 | +27.2% |
| 180 days | $19.08 | +27.2% |
| 1 year | $19.08 | +27.2% |
Confidence 56% · Calibrated 30-day range $11.91–$18.09 · vintage card · veryLow volatility
Our Forecast Track Record
What we predicted for this card, and what actually happened. We publish misses as well as hits. Anchored 2026-03-25 · at $3.79 · 126 days ago.
| Horizon | We predicted | Actual | Error |
|---|---|---|---|
| Day 7 | $3.26 | $1.00 | -69.3% |
| Day 30 | $3.31 | $8.50 | +156.8% |
| Day 90 | $3.41 | $22.00 | +545.2% |
Signal Analysis
Mixed signals. Monitor for clearer direction.
Printings (2)
| Set | Code | Rarity | Price |
|---|---|---|---|
| 2017 Mega-Tin Mega Pack | MP17-EN231 | Secret Rare | — |
| Raging Tempest | RATE-EN081 | Secret Rare | — |
Recent Price History
Frequently Asked Questions
How much is Sea Monster of Theseus worth?
Sea Monster of Theseus is currently $15.00 on TCGplayer for the 2017 Mega-Tins Mega Pack printing. Prices update daily from live marketplace data.
Is Sea Monster of Theseus going up or down in price?
Our 30-day forecast for Sea Monster of Theseus is $15.00, with a stable trend at 56% confidence.
How many times has Sea Monster of Theseus been printed?
Sea Monster of Theseus has 2 known printings, including 2017 Mega-Tin Mega Pack, Raging Tempest.