For thou art Saul."  
After escaping the banishment of all "wizards" and those that had "familiar spirits," this figure was called upon after the failure of Urim.  This soothsayer propagated the prophecy that saw the defeat of the Israelites at Mount Gilboa' against the Philistines.  She received amnesty from her king before her most famous act, after which she exclaimed, "Why has thou deceived me? For thou art Saul."  FTP, identify this soothsayer from the Old Testament that raised Samuel from the dead and who really has nothing to do with Ewoks.
After escaping the banishment of all "wizards" and those that had "familiar spirits," this figure was called upon after the failure of Urim.  
Witch of Endor