Read from the World of Warcraft client build files.
How Plaguebringer's Cord Compares
Who It Suits
Cloth is the armor type Mage, Priest and Warlock wear. With Intellect, Plaguebringer's Cord suits Discipline, Holy and Shadow Priest; Arcane, Fire and Frost Mage; Affliction, Demonology and Destruction Warlock.
Similar Items
The 10 items nearest to Plaguebringer's Cord (item level 60) in item level among Armor > Cloth, Waist slot, from item level 50 to 72.
Plaguebringer's Cord is part of the transmog set Plaguebringer's Raiment (Priest, Mage and Warlock only), which the Appearances collection lists in 2 versions. The other 11 pieces:
Blizzard numbers items as they are created, so the named items next to ID 165470 (165465 to 165475) were usually added in the same batch as Plaguebringer's Cord: the same quest line, zone, vendor or reward set.