Your targets won't know what hit them.

Daily   ✦     Martial, Weapon
Standard Action      Ranged weapon

Target: One, two, or three creatures

Attack: Dexterity vs. AC, three attacks

Hit: 1[W] + Dexterity modifier damage per attack. A target hit once is dazed (save ends). A target hit twice is stunned (save ends). A target hit three times is stunned (save ends) and takes +2[W] damage.

Miss: The target is dazed (save ends).

Published in Player's Handbook, page(s) 109.