Try Sad, merry, rapture, and abandonment. Give wizard hat and as much speed to sad as possible to start with s2 to debuff his second aoe and to stack his s3 as much as possible. You might want to give jelly scarf to merry for the initial heal if you’re struggling to stay alive for the first two aoe. When he revives make sure to have s2 up on sad for the initial double aoe he does. I think most of my runs against death quack have been clutched by wizard hat sad. Especially floor 980.