Mermaid Knight

Structure Deck: Fury from the Deep (2005), Yu-Gi-Oh!, SD4-EN011, Common

Mermaid Knight

Printing: 1st Edition, Near Mint

$0.49

TCGplayer market price (an average of recent sales)

As of Oct 27 (today). Unchanged across this 30-day window.

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Price trend

Oct 19 $0.49 → Oct 26, 2026 $0.49 0.0%

$0.49
Oct 19, 2026Oct 21, 2026Oct 22, 2026Oct 23, 2026Oct 26, 2026

Sep 26 $0.49 → Oct 26, 2026 $0.49 0.0%

$0.49
Sep 26, 2026Oct 6, 2026Oct 11, 2026Oct 16, 2026Oct 26, 2026

Jul 28 $0.51 → Oct 26, 2026 $0.49 −3.9%

$0.52$0.48$0.50$0.51$0.49
Jul 28, 2026Aug 27, 2026Sep 11, 2026Sep 26, 2026Oct 26, 2026

Oct 26, 2025 $0.51 → Oct 26, 2026 $0.49 −3.9%

$0.62$0.48low$0.55$0.60$0.49
Oct 26, 2025Feb 24, 2026Apr 26, 2026Jun 26, 2026Oct 26, 2026

Feb 8, 2024 $0.43 → Oct 26, 2026 $0.49 +14.0%

$0.70$0.40$0.50$0.60$0.49
Feb 8, 2024Jan 3, 2025Jun 17, 2025Nov 29, 2025Oct 26, 2026

Vs its set

Over the 90 days to Oct 26, 2026: this card −3.9%; the median other card in Structure Deck: Fury from the Deep −3.0% (31 other cards, each at its tracked printing).

Market details

Sold vs asking

Recent sales (TCGplayer market price)$0.49
Sellers asking (median listing)$0.60
0$0.60

Sellers ask 1.2× the recent sale price.

Asking figure from TCGplayer listings, as of Oct 27.

Record

Price history Feb 8, 2024 to Oct 26, 2026

Highest$0.70Oct 9, 2024 to Oct 15, 2024
Lowest$0.40Mar 4, 2024 only
Vs highest30% below $0.70

Same set: Structure Deck: Fury from the Deep (32)

7 Colored Fish$0.23A Legendary Ocean$0.32Amphibious Bugroth MK-3$0.39Call of the Haunted$0.28Mother Grizzly$0.26

Keep exploring

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Live market

Newest TCGplayer value: Oct 27, 2026. Prices in USD. Card names and images © their respective publishers. See how these prices are made.