Make Your Own Luck
(Complete Scoundrel, page 79, DnD 3.5)
[Luck]
Your hard work lets you exploit minor loopholes.
Prerequisite
Character Level 6th, any luck feat
Benefit
You can expend one luck reroll as an immediate action to reroll a skill check, as long as you have at least 1 rank in that skill. You gain one luck reroll per day