It's fun, so what this deck is supposed to do is if the opponent doesn't have a 3000 monster on the field u give them lava golem and when they swing for
El Dojo Del Duelista on Twitter: "Deck Krawler con la skill de Insector Haga "Infestación de Parásitos", el deck es el típico antimeta que utiliza la skill para poder bajar lava golem,
Yugioh Duel Links - Yami Marik : I Summon 3 Lava Golem in ONE turn! - YouTube