沼地の魔神王
A [[slime_(creature)|slime]] [[duel monster]] with the ability to be substituted as fusion material for one fusion monster.

The card commonly sees play in Tearlaments decks to make [[Tearlaments Rulkallos]], as one of her fusion materials, [[Tearlaments Kitkallos]], is banned in both the OCG and TCG. As such, most fan art of this card has it taking the shape of Kitkallos.
king of the swamp