You sing a gentle lullaby that causes your foes to sink into a deep sleep and gives your allies a chance to catch their breath.

Daily   ✦     Arcane, Healing, Implement
Standard Action      Close burst 3

Target: Each enemy in the burst

Attack: Charisma vs. Will

Hit: The target falls unconscious (save ends). Each ally in the burst can spend a healing surge.
If an ally attacks an affected target, the target immediately awakens. The ally does not have combat advantage against the target for that attack and cannot make a coup de grace attack against it.

Published in Arcane Power, page(s) 23.