http://wiki.project1999.com/Guise_of_the_Deceiver is no-drop.
Erudite necros are said to start at Dubious, one faction hit away from Threateningly. Should be doable.
You could also wait for Kunark and make an Iksar one.
Probably one of the best things you could get on Green to bring to Blue would be a Holgresh Elder Beads for your bard to use in pulling.