As if your enemy were a leaf caught in the autumn wind, your attack maneuvers it as you wish, forcing it to yield ground to one of your allies.

Encounter   ✦     Martial, Weapon
Standard Action      Melee weapon

Target: One creature

Attack: Strength vs. AC

Hit: 2[W] + Strength modifier damage. You (only if you are adjacent to the target) or one ally adjacent to the target can take a free action to swap places with it, sliding it 1 square and shifting 1 square.

Published in Player's Handbook, page(s) 145, Class Compendium.