Venomous Strike

(Drow of the Underdark, page 54, DnD 3.5)

[Ambush]

You know where to place your sneak attacks to deliver a highly effective poisoned strike.

Prerequisite

Sneak attack +2d6, poison use

Benefit

If you are wielding a poisoned weapon as part of your sneak attack, the poison's save DC increases by 2. Using this feat reduces your sneak attack damage by 1d6.