Pandaren rogue. Set is a mix of MoP quest greens and BfA warfront gear (notice how much higher res the MoP gear is despite being 6 years older) Obviously going for a
Assassination Rogue PVP Guide
All Transmog Sets for Rogues - Wowhead
Rogue Talent Tree in PVP : r/worldofpvp
Season 14 Rogue Armor Set Preview, Multiple LFR Queues, Blue Posts, DLC #399