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Cardfight!! Vanguard · BT09: Clash of Knights & DragonsR

Battle Siren, Theresa [G Format] BT09/026EN

Battle Siren, Theresa [G Format] from BT09: Clash of Knights & Dragons (Cardfight!! Vanguard). Daily Cardmarket market price.

SetBT09: Clash of Knights & Dragons
NumberBT09/026EN
RarityR
LanguageEnglish
ReleasedJun 28, 2013
Illustrator—
Market price · Normal
€0.35 ▲ +94.4% vs 30-day avg
Lowest€0.05
7-day avg€0.32
30-day avg€0.18
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Price source: Cardmarket public price guide · updated Nov 2, 2026

Prices by variant

VariantTrendLowest30-day avg
Normal€0.35€0.05€0.18
Foil€0.10—€0.10

Price history

Days before Oct 30, 2026 are estimated from Cardmarket averages (30, 7 and 1 day); from then on — our daily readings.

Card details

Name
Battle Siren, Theresa [G Format]
Set
BT09: Clash of Knights & Dragons
ID
cm:304850

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Card value FAQ

How much is Battle Siren, Theresa [G Format] BT09/026EN worth?

Battle Siren, Theresa [G Format] BT09/026EN from BT09: Clash of Knights & Dragons is currently worth €0.35 (Cardmarket trend, Normal variant, Nov 2, 2026). Listings start at €0.05. 30-day average: €0.18.

Which version of Battle Siren, Theresa [G Format] is the most valuable?

Of its 2 variants, Normal is valued highest at €0.35.

Is Battle Siren, Theresa [G Format] BT09/026EN going up in value?

Compared with the 30-day average, the price is up 94.4%. The chart above shows the daily price history, and you can set a price-drop alert.

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