Illusionist's Attire

Illusionist's Attire is the Zandalar Tribe set for Mages.

Source
Most Items of Illusionist's Attire can be acquired through quests given by Al'tabim the All-Seeing, who can be found on the Yojamba Isle in Stranglethorn Vale.

The quests require a given Reputation with the Zandalar Tribe and a token from a boss in Zul'Gurub.

The only exception is, which is formed by combining a with Gri'lek's Blood, Renataki's Tooth, Wushoolay's Mane, and Hazza'rah's Dream Thread. While the voodoo dolls can be found in Jinxed Hoodoo Piles (which are found throughout Zul'Gurub), the rest can be found on the respective boss in the Edge of Madness, in Zul'Gurub.