A system has been added that will automatically add divination cards and other items to the item acquisition sections where appropriate. Entries added by this system will be shown as automatic in the item acquisition section.
Some pages will need to be updated to include
upgraded_from_disabled=true if they are not eligible for the system.
Some further details on what needs to be done can be found on Path of Exile Wiki:To-do list/Automatic upgraded from and issues can be posted on the talk page.
Champion of the Cause
4% reduced Mana Reserved
12% increased Area of Effect of Aura Skills 
Champion of the Cause is a notable passive skill that grants increased area of effect and effect magnitude for auras cast by the character. It also grants reduced mana reservation for skills. It is located in the duelist section of the skill tree next to two handed cluster