Plague and War both benefit from giving up turns, and Alchemist and Hellcat are about looping. I don’t think it’s a good fit anyway.
Posted this elsewhere, but I’ve found this team to be incredibly strong:
Treant***
Hellcat***
Alchemist***
Sheggra***
Red/Yellow banner
http://ashtender.com/gems/teams/treant,hellcat,alchemist,sheggra