You speak a prayer, and the ground around you becomes sanctified, granting you and your allies divine protection.

Daily   ✦     Divine, Zone
Standard Action      Close burst 5

Effect: The burst creates a zone that lasts until the end of the encounter. You and your allies gain a +2 power bonus to attack rolls, saving throws, and all defenses while in the zone.

Published in Player's Handbook, page(s) 68, Class Compendium.