As you touch the pedestal, the miniature discs from Uldaman hum and glow in your backpack.  A familiar feeling tingle washes over your hands, as the image of another Stone Watcher springs to life in front of the gates of Uldum.$B$B"Salutations.  I am a guardian of entry.  The discs that have been used for access are missing the correct entry discs, the Plates of Uldum.  Please incorporate these plates with the disc structure and repeat your access sequencing.  Thank you."