I wonder what the next version will be?
How about:
EARTH USER: Starts with endiswall, costs 3 mana. Starts with imawall, costs 1 mana.
EARTH MASTER: Destroying walls grants 2 health per level. Petriying experience giving things grants 3 mana.
EARTH BODY: No natural regeneration and 10% physical resistance.
It's probably a terrible suggestion but I want to hear other ideas from people.