User blog comment:RaijinSenshi19/Omni Lord Hierarchy Decklists - Part 7: Fukatsu no Nova/@comment-3974145-20160321175000/@comment-6102960-20160321185959

It is not the deck, it is Venom himself....

The extra defense from Onizori is an option over Regenthorn indeed, and people are free to use it instead. It is just that to me, I prefer Regenthorn for some personal reasons.