Good Karma

 
Prerequisite(s): Character level 3+
 
Benefit: You can expend the use of one luck reroll as an immediate action to redirect an attack made against an adjacent ally so that it is made against you instead. You must be within reachof the attacker (if a melee attack) or within range (if a ranged attack) in order to use this ability. The attack roll result remains the same, but it is against your AC instead of your ally. If the redirected attack hits you, you take an extra 50% damage from it. You gain one luck reroll per day with this feat.
 
Source: Complete Scoundrel