You strike your enemy hard with your weapon and invoke an ancient divine curse that makes him more vulnerable to a subsequent attack.

Encounter   ✦     Divine, Weapon
Standard Action      Melee weapon

Target: One creature

Attack: Strength + 2 vs. AC

Hit: 4[W] + Strength modifier damage. The next attack roll you make against the target gains a +2 power bonus.

Published in Player's Handbook, page(s) 71, Class Compendium.