Sure Cut

Melee attack
At-Will
Special: 

You must have momentum and be able to deal your Sneak Attack damage to the target if you hit.

Target: 
One enemy
Attack: 
Dexterity + Level vs. AC
Hit: 
WEAPON + Dexterity damage.
Miss: 
Deal your Sneak Attack damage + damage equal to your level.
Champion Feat: 

Missing with sure cut no longer counts as a use of Sneak Attack for the round.