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Mermaid Knight Ancient Sanctuary #AST-025 Yu-Gi-Oh! card
Common / Short Print

Mermaid Knight Ancient Sanctuary #AST-025

Card #AST-025
Market value · ungraded
$0.62
▲ 34.3% · 30d
1st Edition ~$1.37 · Unlimited ~$0.62
PSA 10
$71
115× raw
Blended from live market data · graded from real sold data
Confidence medium · estimate, not an appraisal · How we price →
Buy from here
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Mermaid Knight is a Common / Short Print Yu-Gi-Oh! card from Ancient Sanctuary (#AST-025). Its current blended market value is $0.62 ungraded, with a PSA 10 worth around $71. Prices update from real market data.

Graded prices
Ungraded (raw)$0.62
PSA graded price estimates by grade
GradeRelative valuePrice
PSA 10$71$71–$71
PSA 9$8$8–$8
“Sold” = median of real recent sold listings at that grade (eBay or Fanatics Collect — hover a badge to see which). Other figures are blended marketplace estimates. Confidence reflects source backing and price spread — not PSA-official values.

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Price history · Raw

1 Oct 202121 Aug 2026
Latest
$0.62
Period high
$6.03
Period low
$0.50
Change
▲ 24.0%
Available to buy nowLive on eBay

Card details

Set
Ancient Sanctuary
Number
#AST-025
Rarity
Common / Short Print
Game
Yu-Gi-Oh!

More from Ancient Sanctuary

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#N/A
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Ancient Sanctuary - Booster Pack [Unlimited Edition]
Ancient Sanctuary - Booster Pack [Unlimited Edition]
#N/A
$23.00
Dark Magic Attack
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Enemy Controller
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Zaborg the Thunder Monarch
Zaborg the Thunder Monarch
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The End of Anubis
The End of Anubis
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$9.72
Archlord Zerato
Archlord Zerato
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$9.25
Emissary of the Afterlife
Emissary of the Afterlife
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All Ancient Sanctuary cards →

Where to buy & check prices

Check recent sold prices
eBay sold

Frequently asked questions

How much is Mermaid Knight worth?

Mermaid Knight (Ancient Sanctuary #AST-025) is worth around $0.62 ungraded, or about $71 in PSA 10, based on live Yu-Gi-Oh! market data.

What is a PSA 10 Mermaid Knight worth?

A PSA 10 Mermaid Knight sells for around $71, roughly 115× the ungraded price.

Where can I buy Mermaid Knight?

You can buy Mermaid Knight on TCGplayer, Cardmarket and eBay — see the live listings on this page. Always compare against the blended market value first.

What rarity is Mermaid Knight?

Mermaid Knight is a Common / Short Print Yu-Gi-Oh! card from the Ancient Sanctuary set.

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Free to use with attribution to CardTrack.

Citation
Mermaid Knight (Ancient Sanctuary #AST-025) — Yu-Gi-Oh! market value $0.62, PSA 10 $71.06. Source: CardTrack, https://cardtrack.com/yugioh/card/ancient-sanctuary/mermaid-knight-ast-025
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<iframe src="https://cardtrack.com/embed/card?id=yugioh-ancient-sanctuary-mermaid-knight-common-short-print" width="100%" height="160" style="border:0;max-width:460px" title="Mermaid Knight price — CardTrack" loading="lazy"></iframe> <p style="font:12px system-ui">Source: <a href="https://cardtrack.com">CardTrack</a></p>