Item Set Tuning in Season of Discovery Phase 4 PTR

wowhead.com:

With today's new Season of Discovery Phase 4 PTR build, we've datamined some item set tuning, including an adjustment to the Rogue Tank set bonus!

Datamined Item Stats Changes Datamined Class & Spell Changes

• While Just a Flesh Wound and Blade Dance are active, Crimson Tempest, Blunderbuss, and Fan of Knives costs 50%cost 20 less Energy and generatesgenerate 100% increased threat.
  Item Set: Nightslayer Battlearmor: 2 pieces

• Increases your chance to resist Silence and Interrupt effects by 10%.
  Added to Item Set
  Item Set: Ironweave Battlesuit: 4 pieces
  Item Set: Ironweave Battlesuit: 2 pieces

• While Just a Flesh Wound and Blade Dance are active, Crimson Tempest, Blunderbuss, and Fan of Knives costs 50%cost 20 less Energy and generatesgenerate 100% increased threat.
  Item Set: Nightslayer Battlearmor: 2 pieces

• Reduces the threat generated by your Destruction spells by 20%.
  Duration changed from -1 ms to 0 ms
  Item Set: Nemesis Raiment: 8 pieces
• 5% increased damage on your Immolate spell.
  Duration changed from -1 ms to 0 ms
  Item Set: Doomcaller's Attire: 3 pieces
• Reduces the casting time of your Immolate spell by 0.2 sec.
  Duration changed from -1 ms to 0 ms
  Item Set: Warlord's Threads: 3 pieces
  Item Set: Lieutenant Commander's Threads: 4 pieces
  Item Set: Field Marshal's Threads: 3 pieces
  Item Set: Lieutenant Commander's Dreadgear: 4 pieces
  Item Set: Champion's Threads: 4 pieces
  Item Set: Champion's Dreadgear: 4 pieces
  Item Set: Warlord's Threads: 3 pieces
  Item Set: Field Marshal's Threads: 3 pieces
  Item Set: Champion's Threads: 4 pieces
  Item Set: Lieutenant Commander's Threads: 4 pieces
• Your spell critical hits generate 25% less threat. In addition, Corruption, Immolate, Curse of Agony, and Siphon Life generate 25% less threat.
  Duration changed from -1 ms to 0 ms
  Item Set: Plagueheart Raiment: 6 pieces

• +15 All Resistances.
  Added to Item Set
  Added to Item Set
  Added to Item Set
  Item Set: Deathbone Guardian: 4 pieces
  Item Set: Cadaverous Garb: 4 pieces