Digimon Card Game · Limited Card Pack Billion Bullet
AncientMermaimon BT18-029
AncientMermaimon from Limited Card Pack Billion Bullet (Digimon Card Game). Daily Cardmarket market price.
NumberBT18-029
Rarity—
LanguageEnglish
ReleasedMar 20, 2022
Illustrator—
Market price · Normal Well above usual
€3.01
▲ +35.6% vs 30-day avg
Lowest€1.50
7-day avg€2.93
30-day avg€2.22
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€
Price source: Cardmarket public price guide · updated Oct 31, 2026
Prices by variant
| Variant | Trend | Lowest | 30-day avg |
|---|---|---|---|
| Normal | €3.01 | €1.50 | €2.22 |
Price history
We record this card's price every day since Oct 30, 2026. The chart appears after a few days of data.
Card details
- Name
- AncientMermaimon
- ID
- cm:821606
Card value FAQ
How much is AncientMermaimon BT18-029 worth?
AncientMermaimon BT18-029 from Limited Card Pack Billion Bullet is currently worth €3.01 (Cardmarket trend, Normal variant, Oct 31, 2026). Listings start at €1.50. 30-day average: €2.22.
Is AncientMermaimon BT18-029 going up in value?
Compared with the 30-day average, the price is up 35.6%. The chart above shows the daily price history, and you can set a price-drop alert.
