Bring back mage tower artifact appearances

[Ricros-bleeding-hollow]

Actually, here it is:

Reopening the Mage Tower with Legion Timewalking in 9.1.5

Soon after the Burning Legion invaded Azeroth at the Broken Shore, the Alliance and Horde began using the Mage Tower at Deliverance Point for high-end training of their most promising champions. When Sargeras was later defeated and dealt his final vengeful blow to Azeroth, the Mage Tower was shut, and it has been inaccessible ever since. In 9.1.5, Legion Timewalking will become available for the first time, and with Timewalking comes a wondrous way to return to the moments of heroism from the p…

They said the mage tower would only be open during Legion Timewalking at first but here we are now.