Psychic Luck
(Complete Scoundrel, page 80, DnD 3.5)
[Luck]
Some psions claim that luck doesn't exist. You know better.
Benefit
You can expend one luck reroll as a swift action to reroll the damage dealt by a psionic power you have just manifested. You can expend two luck rerolls as a swift action to reroll a manifester level check. You gain one luck reroll per day.