[Endoperez]

Well, the prices of Rainbow Pretenders were conciderably downgraded from Dominions: PPP... They are much more useable now. And after some research and site-searching your only problem is that he has to do something with those gems, and he is all alone on many of those magics... But after some elemental staffs, earth boots, burning skulls etc. you have a very flexible nation! They really shine in the end game, in which you SUMMON your super-combatants.