WTF are you guys thinking? Again that sheit where we get no int at all as a mana class. Why the f… do you give shamans even int, as they wont loose any mana anyway, but the one thats oom after 20 seconds gets none. Well played Blizzard, well played.
New internships maybe? 
Probably designed by the same hen that designed shadowpriest gear with having t1 set being to heal in shadowform ( when the set have only shadowdmg )
Healing for 500 is pretty epix.
Ret is getting new libram that solves all mana problems, int would be a wasted stat.