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.
King of the Swamp [LCYW-EN256] Common
$1.50Liquid error (snippets/product-price line 23): Computation results in '-Infinity'Unit price
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![King of the Swamp [LCYW-EN256] Common](http://invasioncnc.ca/cdn/shop/products/c3ea3a04-41ca-5266-8080-2626c6cd2aba_30a8a09d-374f-4a32-99a3-587c729ac8eb.png?v=1680662899&width={width})
