Hahr hahr!
I like the "ritual must be cast from a high exposed place" idea.
I think it's ok that gems are used at the start of the turn. At least it's not the case than if a wizard gets killed while working on a 100-fire-gem enchantment, that the 100 fire gems may fly all over the place and explode... [img]/threads/images/Graemlins/icon43.gif[/img] [img]/threads/images/Graemlins/icon43.gif[/img] [img]/threads/images/Graemlins/icon43.gif[/img] [img]/threads/images/Graemlins/Grenade.gif[/img] [img]/threads/images/Graemlins/icon43.gif[/img] [img]/threads/images/Graemlins/icon43.gif[/img] or the 50-death-gem enchanter who gets nailed releases a chaotic 50-death effect in your province...
PvK