Your weapon hums with an arcane song that helps guide nearby allies to glory.

Encounter   ✦     Arcane, Weapon
Standard Action      Melee weapon

Target: One creature

Attack: Charisma vs. AC

Hit: 2[W] + Charisma modifier damage, and each ally within 5 squares of you gains a +1 power bonus to attack rolls until the end of your next turn.

Published in Player's Handbook 2, page(s) 69.