Read from the World of Warcraft client build files.
How Ordained Hunter's Crown Compares
Who It Suits
Mail is the armor type Evoker, Hunter and Shaman wear. With Agility or Intellect, Ordained Hunter's Crown suits Beast Mastery, Marksmanship and Survival Hunter; Elemental, Enhancement and Restoration Shaman; Devastation, Preservation and Augmentation Evoker.
Transmog Sets
Ordained Hunter's Crown is part of the transmog set Chains of the Chosen Dead (Hunter, Shaman and Evoker only), which the Appearances collection lists in 3 versions. The other 16 pieces:
Blizzard numbers items as they are created, so the named items next to ID 249680 (249672 to 249685) were usually added in the same batch as Ordained Hunter's Crown: the same quest line, zone, vendor or reward set.