When your infused weapon strikes an enemy, the weapon unleashes a force that rattles the foe.

At-Will   ✦     Arcane, Force, Weapon
Standard Action      Melee or Ranged weapon

Target: One creature

Attack: Intelligence vs. AC

Hit: 1[W] + Intelligence modifier force damage, and the next ally to attack the target before the end of your next turn gains a +2 power bonus to the attack roll.
Level 21: 2[W] + Intelligence modifier damage.

Published in Eberron Player's Guide, page(s) 47.