Arcane energy enwraps your weapon and your allies' weapons.

Encounter   ✦     Arcane, Weapon
Standard Action      Melee or Ranged weapon

Target: One creature

Attack: Intelligence + 3 vs. AC

Hit: 2[W] + Intelligence modifier damage.

Effect: Each ally adjacent to you gains a power bonus to attack rolls and to damage rolls equal to your Wisdom modifier or your Constitution modifier until the end of your next turn.

Published in Eberron Player's Guide, page(s) 59.