You cause several foes to burst into flame.

Encounter   ✦     Arcane, Evocation, Fire, Implement
Standard Action      Area burst 2 within 20 squares

Target: Each creature in the burst

Attack: Intelligence vs. Reflex

Hit: 5d6 + Intelligence modifier fire damage.

Miss: Half damage.

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

Published in Player's Handbook, page(s) 166, Class Compendium.