Sea Serpent monsters made up the smallest portion of monster cards in general, as it was one of the most unsupported Types, like Fish.

Some of the major Sea Serpent include "Levia-Dragon - Daedalus", "Ocean Dragon Lord - Neo-Daedalus", "Spiral Serpent", "Water Dragon", "Gemini Lancer" and "Kaiser Sea Horse".

The some support cards for Sea Serpent monsters are "Umi" and many good strategies for them revolve around this card.

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