You can substitute this card for any 1 Fusion Material Monster, but the other Fusion Material Monster(s) must be correct. You can discard this card to the Graveyard: Add 1 "Polymerization" from your Deck to your hand.
|Pack||Generation Next [UR]|
King of the Swamp's 2 effects gives you versatility that is very useful on Fusion Decks. It lets you search Polymerization from your Deck or use it as a substitute to Fusion Material Monsters.
By using these cards you can get King of the Swamp that was used for Fusion from your Graveyard back to your Hand.
These 2 cards are currently the two best Fusion Monsters in the game right now. Use King of the Swamp in decks the revolves around with these cards.
You can also use King of the Swamp on Elemental-Hero decks since Elemental-Hero cards focuses on Fusion Summons.
Since King of the Swamp is a WATER attribute monster, you can include Frost and Flame Dragon to fusion decks the uses FIRE attribute monsters.
|Actions||Discards itself for cost / Adds from Deck to hand|
|Summoning categories||Fusion Substitute Monster|