Here is the datamined class and spell tuning for Build 50199.
Class ToolsBloodTalentsFrostTalentsUnholyTalents
Specialization (1)
Effect #6 Effect #1 Apply Aura: Modifies Damage/Healing Done
Value: 2027.65%
Affected Spells:
(and 60 more.)
Effect #2 Apply Aura: Modifies Periodic Damage/Healing Done
Value: 2027.65%
Affected Spells:
(and 60 more.)
Effect #1 Apply Aura: Modifies Damage/Healing Done
Value: 2027.65%
Affected Spells:
(and 60 more.