Mark of Destiny

(Dragonmarked, page 142, DnD 3.5)

[General]

You can call upon the power of your Siberys mark to enhance your combat prowess.

Prerequisite

Any Siberys dragonmark.

Benefit

You can spend 1 action point as a swift action to gain a bonus on attack rolls and weapon damage rolls equal to your heir of Siberys class level for 1 round.