A new patch has now been deployed on the Beta Servers.

Mage
Ability

    Frost Nova’s Mana Cost has been increased to 3, from 2.
    Blizzard’s Mana Cost has been increased to 6, from 5.
    Cone of Cold’s Mana Cost has been increased to 4, from 3.

As Blizzard explained in the blog post earlier today, the …read more