Gold/Brass

Mindwrack Robes
Source: Vendor
Plundered Seacrystal Blade
Source: Island Expedition
Cruel Gladiator's Scaled Shoulders (Horde)
Source: Vendor
Ferocious Gladiator's Scaled Shoulders
Shoulderplates of Crackling Flame (Mythic)
Source: Tomb of Sargeras
Radiant Lightbringer Shoulderguards
Shoulderplates of Crackling Flame (Normal)
Source: Tomb of Sargeras
Radiant Lightbringer Shoulderguards
Midnight Herald's Pauldrons (LFR)
Source: Emerald Nightmare
Dreadwyrm Shoulderguards
Scimitar of Seven Stars (Normal)
Source: Heart of Fear
Ka'graz's Burning Blade (Heroic)
Source: Blackrock Foundry
Voror, Gleaming Blade of the Stalwart (Normal)
Source: Uldir
Tyrannical Gladiator's Shield Wall (Alliance)
Source: Vendor
Blockade Bulwark (Normal)
Source: Battle of Dazar'alor
Sunburst Crest
Blockade Bulwark (LFR)
Source: Battle of Dazar'alor
Sunburst Crest
Shieldwall of the Breaker
Source: Ulduar
Steelskin, Qiang's Impervious Shield (Heroic)
Source: Mogu'shan Vaults
Steelskin, Qiang's Impervious Shield (Normal)
Source: Mogu'shan Vaults
Northern Barrier
Source: Ulduar
Barrier of the Earth Princess
Ward of Incantations
Source: End Time
Jambani Barrier
Source: Quest