Howling spirits appear around your foe, distracting it from your ally's attack.

At-Will   ✦     Implement, Primal, Psychic
Standard Action      Ranged 5

Target: One creature

Attack: Wisdom vs. Will

Hit: 1d6 + Wisdom modifier psychic damage. Until the end of your next turn, the target grants combat advantage to an ally of your choice.
Level 21: 2d6 + Wisdom modifier psychic damage.

Published in Player's Handbook 2, page(s) 121.