I'm being too picky, but faust starts with fiends and undeads on top, slimes at the botton, while it's upgrade is the opposite.
http://wiki.spiralknights.com/Faust
http://wiki.spiralknights.com/Gran_Faust
Blitz needle uses different colors
http://wiki.spiralknights.com/Blitz_Needle
So does Polaris
http://wiki.spiralknights.com/Polaris
Could we write down a standard or a template to follow?
Resistant enemies on the top and weak enemies on the bottom?