You slip your blade past an enemy's armor and slice your foe just so, leaving a bleeding gash.

Encounter   ✦     Martial, Weapon
Standard Action      Melee weapon

Target: One creature

Attack: Strength vs. Reflex

Hit: 3[W] + Strength modifier damage.

Special: When you make an opportunity attack, you can use this power in place of a melee basic attack.

Published in Player's Handbook, page(s) 88, Class Compendium.