Skip shot
rogue attack 13
ranged weapon
Requirement: wielding a crossbow, a light thrown weapon, or a sling.
Target: one creature
Attack: Dexterity vs. Reflex
Hit: "2[W] + Dexterity modifier damage, and an enemy within 3 squares of the target takes damage equal to your Dexterity modifier."[MP:80]
Skip shot is an encounter power available to rogues at 13th level.
It is a poor choice, as it it is a generic attack which is only useful for minion popping. [Char-op Rogue]