Warlords of Draenor hotfixes have been published the 08/07/2015 ! Here is the patch notes :
Patch 6.2 Hotfixes: August 07 (Source)
Raids and Dungeons
Hellfire CitadelFel Lord Zakuun
- Wake of Destruction should no longer multistrike and should not scale with the caster's damage modifiers.
- The following battle standards are no longer usable in a rated PvP environment.
- Hand of the Prophet Battle Standard
- Vol'jin's Headhunters Battle Standard
- Order of the Awakened Battle Standard
- Saberstalkers Battle Standard