I always use the Preist. He can wear any armor or sheild, shoot everstrike, get's to stun monsters with his mace, and is the best healer. I often play a L, L, L, P, party but you might consider L, L, M, P if you just want to try a Mage. But the Mage GM spell of Eye of the Storm is nearly useless. So, you'll find that the Lich is better. The only advantage to the Mage is that his promotion path is totally easy.
The Druid is really only useful for Melee fighting with GM Unarmed. I've played him once or twice. Basically, he's not worth it.
