You deliver a well-placed strike against your foe and call your comrades to do the same. They pelt the enemy with attacks.

Encounter   ✦     Martial, Weapon
Standard Action      Melee weapon

Target: One creature

Attack: Strength vs. AC

Hit: 2[W] + Strength modifier damage, and each ally within 5 squares of you can make a basic attack against the target as a free action.

Published in Player's Handbook, page(s) 150, Class Compendium.