Selûne watches over you. When your foes overwhelm you, she
grants a silver flicker of hope.

Encounter ✦     Divine
No Action      Personal

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

Trigger: You fail a saving throw

Hit: You can immediately reroll the saving throw you just failed.

Published in Forgotten Realms Player's Guide, page(s) 133.