Which faction do you like the most in Heroes of Might and Magic IV?

Having two mages in your army is always a good thing. For any race (at least for Nature, and definitely for Haven). And it's easier to develop the magic of your own faction than that of another castle. However, some variety wouldn't hurt either. So, if you have two druids (which sometimes happens in my games), one should be a Spellcaster, and the other, a different type of mage. :)