Sometimes a minor sacrifice by a commander can yield swift and terrible action from the troops..

Daily   ✦     Martial, Weapon
Standard Action      Melee weapon

Special: Before you make the attack, you grant combat advantage to all your enemies until the start of your next turn.

Target: One creature

Attack: Strength vs. AC

Hit: 4[W] + Strength modifier damage, and you mark the target and opportunity attacks against the target gain a power bonus to damage rolls equal to your Intelligence modifier (save ends).

Effect: Until the end of your next turn, enemies making a melee attack against you provoke opportunity attacks from your allies.

Published in Dragon Magazine 369, page(s) 55.