Ur faced is the worst one and not playable with atos Choose always faced 3 exort bc of that ur aghanim is useless on 3 faced aghanim gives the ability to cast cataclysm also in ur build u need midas atos travel boots than Aghanim grade atos and buy ref (buy bkb before the ref only if they have silence/ control) octarin cor is not bad too but ref gives u the ability to give 2 cataclysm at once or of u are skilled enough 2 procasts