Madcap's Outfit

Madcap's Outfit is the Zandalar Tribe set for rogues.

Source
Most Madcap's Outfit items can be acquired through quests given by Falthir the Sightless, who can be found on the Yojamba Isle in Stranglethorn Vale.

The exception is, which is formed by combining a Punctured Voodoo Doll (rogue) with Gri'lek's Blood, Renataki's Tooth, Wushoolay's Mane, and Hazza'rah's Dream Thread.

Trivia
Edwin VanCleef wears this set.