Mark of the Evil Eye [Vistani Bloodline]

Paragon Tier
Prerequisite: 11th level, fighter, Vistani Heritage
Benefit: Whenever you would make an attack as the result of your Combat Challenge feature, you can use evil eye of the Vistani, if available, on the same target as a free action without provoking opportunity attacks before making your attack.

Published in Dragon Magazine 380, page(s) 87.