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  6. King of the Swamp (PSR)

Yu-Gi-Oh! · Speed Duel: Battle City Finals · #SBC2-ENI23 · Prismatic Secret Rare

King of the Swamp (PSR)

Yu-Gi-Oh! card price for King of the Swamp (PSR): $4.31 market, from $2.75 at the cheapest listing, 1st Edition printing, updated Oct 20, 2026. Full price history since Dec 12, 2024 below.

Market price · 1st Edition · Oct 20, 2026
$4.31
+2.6% this week · +2.4% in 30 days
Buy on eBay →
1 day+0.7%
7 days+2.6%
30 days+2.4%
90 days−1.6%
1 year−67.8%
All time+8.0%

Sellers right now

$2.75lowest listing$95.76highest
Market price$4.31
Mid listing$4.99
Direct$5.98
30-day avg$4.21

Market price is what a near-mint copy actually sold for. The cheapest listing is what a seller asks today — on thin markets the two differ a lot.

Where to buy

TCGplayer$4.31

One year

$3.8752-week low$13.2952-week high
In the range5%
All-time low$1.00
All-time high$13.37
First priceDec 12, 2024
1st Edition · market price
$3.30$6.97$10.65$14.32
$4.31
Oct 2025Feb 2026Jun 2026Oct 2026
TCGplayer market price · via tcgcsvtcgrate.com

Price story

King of the Swamp (PSR) was released in December 2024. Launch-week prices are left out here: before supply arrives they are mostly guesses. Across the past year it went −67.8%, with a low of $3.87 and a high of $13.29; today it sits near the bottom of that range. The cheapest listing right now is $2.75, and the 30-day average market price is $4.21.

Printings

PrintingMarketLowHigh7d
1st Edition$4.31$2.75$95.76+2.6%

The card in play

ATK500
DEF1100
Card type
Effect Monster
Attribute
WATER
Monster type
Aqua
Card text

This card in your hand, field, or GY can be used as a substitute for any 1 Fusion Material whose name is mentioned on the Fusion Monster Card, but the other materials must be correct. You can discard this card to the GY; add 1 "Polymerization" from your Deck to your hand.

Other printings of King of the Swamp

12 more · $0.21 – $54.57
All printings
King of the Swamp (HL1-EN006), Hobby League 1 — Yu-Gi-Oh! card price 0.0% 7d King of the Swamp Hobby League 1 · #HL1-EN006 $54.57 King of the Swamp (DT04-EN055), Duel Terminal 4 — Yu-Gi-Oh! card price +2.2% 7d King of the Swamp Duel Terminal 4 · #DT04-EN055 $8.95 King of the Swamp (CR) (JUSH-EN046), Justice Hunters — Yu-Gi-Oh! card price −4.4% 7d King of the Swamp (CR) Justice Hunters · #JUSH-EN046 $5.62 King of the Swamp (AST-082), Ancient Sanctuary — Yu-Gi-Oh! card price −20.9% 7d King of the Swamp Ancient Sanctuary · #AST-082 $2.95 King of the Swamp (FUEN-EN040), Fusion Enforcers — Yu-Gi-Oh! card price −1.9% 7d King of the Swamp Fusion Enforcers · #FUEN-EN040 $2.53

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Tribe-Infecting Virus (PSR) (SBC2-ENI22), Speed Duel: Battle City Finals — Yu-Gi-Oh! card price 0.0% 7d Tribe-Infecting Virus (PSR) Speed Duel: Battle City Finals · #SBC2-ENI22 $19.20 Dark Magician Girl (PSR) (SBC2-ENA13), Speed Duel: Battle City Finals — Yu-Gi-Oh! card price −5.3% 7d Dark Magician Girl (PSR) Speed Duel: Battle City Finals · #SBC2-ENA13 $12.23 Tribe-Infecting Virus (SBC2-ENI22), Speed Duel: Battle City Finals — Yu-Gi-Oh! card price −0.7% 7d Tribe-Infecting Virus Speed Duel: Battle City Finals · #SBC2-ENI22 $9.01 Mirage of Nightmare (PSR) (SBC2-ENG09), Speed Duel: Battle City Finals — Yu-Gi-Oh! card price +1.6% 7d Mirage of Nightmare (PSR) Speed Duel: Battle City Finals · #SBC2-ENG09 $7.59 Maxx "C" (PSR) (SBC2-ENI28), Speed Duel: Battle City Finals — Yu-Gi-Oh! card price −0.1% 7d Maxx "C" (PSR) Speed Duel: Battle City Finals · #SBC2-ENI28 $7.41