Tempus guides your arm and lends weight to your strike.

Encounter ✦     Divine
Minor Action      Personal

Channel Divinity: You can use only one channel divinity power per encounter

Effect: If you hit with the next weapon attack that you make before the end of your next turn and it isn't a critical hit, you roll the extra damage dice that you would roll if you scored a critical hit and deal the result as extra damage. If the attack is a critical hit, its extra damage is maximized.

Revision (7/30/2009)
Replace the Effect line with the following
If you hit with the next weapon attack that you make before the end of your next turn and it isn't a critical hit, you roll the extra damage dice that you would roll if you scored a critical hit and deal the result as extra damage. If the attack is a critical hit, its extra damage is maximized.

Published in Forgotten Realms Player's Guide, page(s) 136.