Fighters who select the Combat Agility class feature instead of Combat Superiority gain use of the combat agility power. Paragon multiclassed fighters can also choose the Agile Brawler feat to gain the Combat Agility class feature.[MP2:145]
"Hit: 1[W] + Strength modifier damage, and you knock the target prone.
"After the triggering enemy completes the action, you shift a number of squares equal to your Dexterity modifier. You must end the shift closer to the target than you were when you began the shift. Then make the following attack.
Fighters who select the Combat Agility class feature instead of Combat Superiority gain use of the combat agility power. Paragon multiclassed fighters can also choose the Agile Brawler feat to gain the Combat Agility class feature.[MP2:145]