Going by Nutaku units I have plus Rita for my list. The silver units in the list will probably be removed when I get something else better. Dunno if I did this right, but here it is:

Duelists:


Healers:


Physical Rear:


Magical Rear:


AoE Rear:


Assist:


Anti-Rush:


Tanks:


Soldiers:


Anti-Swarm:


Farmers:


Leftover units to finish levelling eventually or units that have yet to be bought: