Great Rend
(Eberron Campaign Setting, page 54, DnD 3.5)
[Shifter]
You know how to hit where it hurts with your claws.
Prerequisite
Shifter with the razorclaw trait, +4 base attack bonus
Benefit
If you hit with both of your claw attacks in a round, you deal extra damage equal to 1d4 + 1/2 your Str modifi er, plus 1 additional point for every four character levels you have.