You land a calculated blow on your enemy, and then change position to deliver a simple attack on that foe or another.

Encounter   ✦     Martial, Weapon
Standard Action      Melee weapon

Target: One creature

Attack: Strength vs. AC

Hit: 2[W] + Strength modifier damage.

Effect: After the attack, you can move a number of squares up to your Dexterity modifier and then make a melee basic attack.

Published in Player's Handbook, page(s) 83, Class Compendium.