You slam your weapon into the ground, and the earth itself transmits your god's wrath, bludgeoning your enemies with the force of thunder and either knocking them to the ground or driving them back.

Encounter   ✦     Divine, Thunder, Weapon
Standard Action      Close burst 3

Target: Each enemy in the burst

Attack: Wisdom vs. Fortitude

Hit: 2[W] + Wisdom modifier thunder damage, and you either knock the target prone or push it 2 squares.

  Weapon: If you are wielding a hammer, the number of squares you can push the target equals 1 + your Intelligence modifier.

Published in Player's Handbook 2, page(s) 44.