World of Warcraft: Legion Alpha (7.0.3.21691) added new Suramar Nightfallen Quartermaster Reputation Rewards. Talk to First Arcanist Thalyssra in Shal’aran and choose: “I wish to Trade.”

These are the rewards you can purchase at Honored, Revered and Exalted.

formula-enchant-ring-binding-of-versatilityformula-enchant-cloak-binding-of-intellect
formula-enchant-ring-binding-of-critical-strikeformula-enchant-ring-binding-of-mastery
home-made-party-maskboon-of-the-manaseeker
nightfallen-tabardtreasure-map-suramar
mana-soaked-amethyst-pendantmobile-telemancy-beacon
pattern-imbued-silkweave-pantaloonspattern-imbued-silkweave-slippers
design-subtle-shadowruby-pendantpattern-imbued-silkweave-bracers
extinguished-eyebraided-manastring-cinch