King of the Swamp
Effect Monster
King of the Swamp is a Effect Monster (WATER/Aqua, Level 3) with 500 ATK / 1100 DEF. First printed in Ancient Sanctuary (2004).
- Type
- Effect Monster
- Attribute
- WATER
- Monster type
- Aqua
- Level
- 3
- ATK / DEF
- 500 / 1100
- Banlist
- Unlimited in the TCG, OCG, and Master Duel
- TCG release
- Jun 1, 2004
- Printings
- 10
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.
YGOPRODeck card-level price
≈$0.20 lowest USD figure across marketplaces, for no one printing
YGOPRODeck recorded a lowest available USD card-level price hint of ~$0.20 on Oct 26, 2026 (historical, not a printing-specific quote). It varies with printing, condition, edition, rarity, and grading. Check current listings before buying or selling.
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Printings & rarities
| Set | Set code | Rarity | Release | Price* | Buy |
|---|---|---|---|---|---|
| Ancient SanctuaryAST-082 · Rare · Jun 1, 2004 | AST-082 | Rare | Jun 1, 2004 | ~$2.95 1st Edition~$1.73 Unlimited | Buy on TCGplayerSearch eBay |
| Hobby League 1 participation cards CHL1-EN006 · Super Rare · Jan 1, 2005 | HL1-EN006 | Super Rare | Jan 1, 2005 | ~$54.57Unlimited | Buy on TCGplayerSearch eBay |
| Dark Revelation Volume 2DR2-EN195 · Common · Oct 20, 2005 | DR2-EN195 | Common | Oct 20, 2005 | ~$1.88Unlimited | Buy on TCGplayerSearch eBay |
| Duel Terminal 4DT04-EN055 · Duel Terminal Normal Parallel Rare · Jan 25, 2011 | DT04-EN055 | Duel Terminal Normal Parallel Rare | Jan 25, 2011 | ~$8.95Limited | Buy on TCGplayerSearch eBay |
| Legendary Collection 3: Yugi's World Mega PackLCYW-EN256 · Common · Sep 29, 2012 | LCYW-EN256 | Common | Sep 29, 2012 | ~$0.95 1st Edition~$0.77 Unlimited | Buy on TCGplayerSearch eBay |
| Legendary Decks IILDK2-ENK17 · Common · Oct 6, 2016 | LDK2-ENK17 | Common | Oct 6, 2016 | ~$0.46 1st Edition~$0.40 Unlimited | Buy on TCGplayerSearch eBay |
| Fusion EnforcersFUEN-EN040 · Super Rare · Feb 23, 2017 | FUEN-EN040 | Super Rare | Feb 23, 2017 | ~$2.65 1st Edition~$2.41 Unlimited | Buy on TCGplayerSearch eBay |
| OTS Tournament Pack 20OP20-EN014 · Common · Oct 20, 2022 | OP20-EN014 | Common | Oct 20, 2022 | ~$0.31Unlimited | Buy on TCGplayerSearch eBay |
| Justice HuntersJUSH-EN046 · Collector's Rare · Jul 31, 2025 | JUSH-EN046 | Collector's Rare | Jul 31, 2025 | ~$5.771st Edition | Buy on TCGplayerSearch eBay |
| Justice HuntersJUSH-EN046 · Rare · Jul 31, 2025 | JUSH-EN046 | Rare | Jul 31, 2025 | ~$0.221st Edition | Buy on TCGplayerSearch eBay |
*Approximate price hints, not appraisals. A price with a finish (1st Edition, Unlimited, Limited) is TCGplayer's for that set code, rarity and finish, via TCGCSV, updated Oct 26, 2026. A price marked YGOPRODeck is YGOPRODeck's figure for that printing. A dash means that printing has no price yet. Buy links are affiliate links.
Price hint history
Dated YGOPRODeck snapshots. These hints are not sales or market values.
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King of the Swamp in other languages
| Japanese | 沼地の魔神王 |
| Korean | 늪지의 마신왕 |
| Chinese | 沼地魔神王 |
| German | König des Sumpfes |
| French | Roi des Marais |
| Italian | Re delle Paludi |
| Spanish | Rey del Pantano |
| Portuguese | Rei do Pântano |