New & Changed Items on the Season of Discovery Phase 5 PTR - New Legendary Item Removed

wowhead.com:

We have datamined several new and adjusted items from the Season of Discovery Phase 5 PTR. However, one Legendary Item that we datamined previously has been mysteriously removed from the Phase 5 PTR. Is Blizzard saving this for a future Phase?

New Legendary Weapon Datamined — Season of Discovery Phase 5 PTR

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  For close personal friends of Lord Victor Nefarius only!
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  Dream Eater
  Damages: 59 — 111 ➞ 69 — 126
  Weapon Speed: 1.4 ➞ 1.6
  DPS: 60.7143 ➞ 60.9375
  
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  Scroll of Overwhelming Power
  Name: Aggrend's Scroll of Overwhelming Power ➞ Scroll of Overwhelming Power
  
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  Tarnished Bronze Scale
  Classes: All Classes ➞ Priest
  
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  Staff of Order
  Meleecriticalstrikepercent: 0 ➞ 2
  Rangedcriticalstrikepercent: 0 ➞ 2
  Spellcriticalstrikepercent: 0 ➞ 2
  Item effect changes:
  Increases damage and healing done by magical spells and effects by up to 77. ➞ Improves your chance to get a critical strike with all spells and attacks by 2%.
  Each time you deal arcane damage to a target, the remaining cooldown on Presence of Mind is reduced by 1 sec. ➞ Increases damage and healing done by magical spells and effects by up to 77.
  Attunes your staff to fire. ➞ Each time you deal arcane damage to a target, the remaining cooldown on Presence of Mind is reduced by 1 sec.
  NEW Attunes your staff to fire.
  
  
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  Staff of Inferno
  Meleecriticalstrikepercent: 0 ➞ 2
  Rangedcriticalstrikepercent: 0 ➞ 2
  Spellcriticalstrikepercent: 0 ➞ 2
  Item effect changes:
  Increases damage and healing done by magical spells and effects by up to 77. ➞ Improves your chance to get a critical strike with all spells and attacks by 2%.
  When Improved Scorch is talented, targets hit by your Blast Wave will also have 5 stacks of Fire Vulnerability applied to them. ➞ Increases damage and healing done by magical spells and effects by up to 77.
  Attunes your staff to frost. ➞ When Improved Scorch is talented, targets hit by