Your attack draws your enemy's attention long enough to give your ally an opening.

Encounter   ✦     Martial, Weapon
Standard Action      Ranged weapon

Requirement: You must be wielding a crossbow, a light blade, or a sling.

Target: One creature

Attack: Dexterity vs. AC

  Cunning Sneak: If you are hidden when you attack, you can make a Stealth check to remain hidden if you have superior cover or total concealment.

Hit: 1[W] + Dexterity modifier damage. Until the end of your next turn, the target grants combat advantage to one of your allies adjacent to it.

Published in Martial Power 2, page(s) 59.