Head:    Warleader’s Crown
Shoulders:  Reconstructed Furious Shoulderplates
Back: N/A
Chest:   Grimscale Armor
Hands:  Grimscale Gauntlets
Waist: Exceptional Crystal-Plated Greatbelt
Legs:  Legguards of Stratholme
Feet:   Haunted Steel Treads

Main-Hand:  Hailstorm
Off-Hand:  Voice of Reason

View the whole set on Wowhead.

Now, because I was on the ball back when I first put this plate transmog set together, I went and selected Exceptional Crystal-Plated Greatbelt as the belt, despite the fact that it’s probably the hardest iteration of that belt model to get. If you like the look, save yourself some grief and trawl through the alternates on Wowhead.