Your threat draws your enemy's attack. If you survive, you can be certain the foe will pay.

Daily   ✦     Martial
Immediate Interrupt      Melee touch

Trigger: An ally adjacent to you is hit by an enemy's melee attack

Target: The triggering ally

Effect: You and the target swap places. The attack hits you instead of the target. The enemy grants combat advantage to you until the end of the encounter. In addition, your Sneak Attack deals extra damage against the enemy equal to your Intelligence modifier until the end of the encounter.

Published in Martial Power 2, page(s) 64.