You lash your foes with a wave of thunderous power.

At-Will   ✦     Arcane, Evocation, Implement, Thunder
Standard Action      Close blast 3

Target: Each creature in the blast

Attack: Intelligence vs. Fortitude

Hit: 1d6 + Intelligence modifier thunder damage, and you push the target a number of squares up to your Wisdom modifier.
    Level 21: 2d6 + Intelligence modifier thunder damage.

Update (1/24/2012)
Updated in Class Compendium.

Published in Player's Handbook, page(s) 159, Class Compendium.