WarKirby
Arty person
I suggest avoiding a unitcombat change, however, as that does odd things to promotion availability.
No, it does awesome things to promotion availability. Knights with Shock II, City Raider III and March for the win
A unitcombat change is essential to make things work properly, generally. So that the Formation promotion will work. And so that shock would cease to work against such a unit. On that note actually, the prereq for Formation should be moved to Combat I. It's currently Combat II which is illogical and gives mounted units an unfair advantage.
I can see some potential issues with mages though. I suppose that arcane units shouldn't change unitcombat, as the spellsphere promotions availability are based on unitcombat, not unitclass. But aside from arcane units, I think unitcombat changes are a good way to go.
What about flanking? I don't think it is currently utilized by any units, but the tags are sitting there.
Flanking sounds fun, and good to add. Maybe add the capability to some hippus-specific promos?