Lightning plays along your weapon as you attack your foe. The lightning then jumps to strike at other foes.

Daily   ✦     Divine, Lightning, Weapon
Standard Action      Melee weapon

Target: One creature

Attack: Strength vs. AC

Hit: 3[W] + Strength modifier lightning damage.

Miss: Half damage.

Effect: The target is affected by a lightning brand (save ends). Until the brand ends, whenever you or any of your allies hit the target, an enemy within 5 squares of the target takes lightning damage equal to 5 + your Strength modifier.

Published in Player's Handbook 3, page(s) 107.