Read from the World of Warcraft client build files.
How Guardian Serpent Cowl Compares
Who It Suits
Cloth is the armor type Mage, Priest and Warlock wear. With Intellect, Guardian Serpent Cowl suits Discipline, Holy and Shadow Priest; Arcane, Fire and Frost Mage; Affliction, Demonology and Destruction Warlock.
Transmog Sets
Guardian Serpent Cowl is part of the transmog set Guardian Serpent Regalia (Priest only). The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Guardian Serpent Cowl Fits
Other Items Named Guardian Serpent Cowl
3 other items in the current build are also called Guardian Serpent Cowl. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Blizzard numbers items as they are created, so the named items next to ID 86702 (86697 to 86707) were usually added in the same batch as Guardian Serpent Cowl: the same quest line, zone, vendor or reward set.