Mass Charm is a 17th level Wizard spell that was introduced in Heroes of the Fallen Lands.
Mass Charm
Wizard Attack 17
Your foes suddenly stop dead in their tracks, howling in frustration as they lurch forward to attack their own allies.
Area burst within 10 squares
Target: Each enemy in the burst
Effect: You slide each target up to 5 squares. Each target then makes a melee basic attack against a creature of your choice as a free action.