You beat back your enemy, allowing you and your allies to seize new ground.

Encounter   ✦     Martial, Weapon
Standard Action      Melee weapon

Target: One creature

Attack: Strength vs. AC

Hit: 2[W] + Strength modifier damage, and you can push the target 1 square. You can then shift 1 square toward the target. If you do so, each ally within 2 squares of you can shift 1 square as a free action.

Published in Player's Handbook, page(s) 86, Class Compendium.