Head, chest and gloves are from the heroic chosen dead set: http://www.wowhead.com/item=143519/e...he-chosen-dead
Shoulders are the level up ones from this color variation: http://www.wowhead.com/transmog-set=...-armor-recolor
Boots, belt and legs are from the Maw set from Mists of Pandaria, the Raid Finder color variation.