WoWhead recently datamined 10.1.7 items that indicate the anticipated MoP Timewalking Raid will NOT be Throne of Thunder but in-fact Siege of Orgrimmar with Removed items and heirlooms being added back in. :
Mistweaver Xia - Wowpedia - Your wiki guide to the World of Warcraft
Every World of Warcraft Timewalking Mount by expansion
Mists Timewalking Active - Great Time to Farm Rep for Cloud Serpent Hunter Tame Book - Wowhead News
Buy Timewarped Badges Boost | ConquestCapped.com
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Mists of Pandaria Timewalking Guide | WoW Amino
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Timewalking Dungeons Guide - Pro Tips
Dalaran the Rogue on X: "Wait are we getting a MoP Timewalking Raid soon? https://t.co/ShFD52Ai1P" / X
MoP Timewalking vendor placement is genius
Mists of Pandaria timewalking is a great gold farm! Hurry! [WoW Toys Gold-Farming] - YouTube
Patch 7.1.5 PTR Item Spotlight: New Legendaries, Brawler's Guild Shirts, New Challenge Card Bosses and More - Wowhead News
Mists of Pandaria Timewalking Guide - Wowhead
Mists of Pandaria Timewalking Vendor Location in WOW - YouTube
Making Gold During MOP Time Walking Event World of Warcraft Last Chance - YouTube
MOP timewalking in a nutshell : r/wow
Timewalking: Mists of Pandaria - Grahran's WoW Gold
Pandaria Timewalking, Hailstone Construct, Gravity Lapse Brawl - MMO-Champion