Artificer Attack 23Chaos Weapon

With your strike, you conjure elemental powers that rage around the weapons of you and your allies.

Encounter        Arcane, Varies, Weapon
Standard Action      Melee or Ranged weapon

Target: One creature

Attack: Intelligence vs. AC

Hit: 2[W] + Intelligence modifier damage. Choose a damage type: acid, cold, fire, force, lightning, or thunder. The attack deals damage of this type to the target. Until the end of your next turn, the weapon attacks of each ally within 2 squares of you deal extra damage of the chosen type equal to 1d8 + your Constitution modifier.

Published in Eberron Player's Guide, page(s) 55.