Question- is Trickster Spellthief acceptable? I think it was Dragon Magazine, not WotC, originally. If so, I will go with a Spellthief 7+Shadowcaster 4-> Noctumancer 10. The concept being an Elf who lost her family to Drow raids. Otherwise, a Duergar Cleric+Totemist->Sapphire Hierarch with a similar high concept. I will flesh out details once I have a build.