If you took the level 2 utility feat quick fingers, you could put down a dung beetle in an adjacent square as a free action before you do the attack - he'd be nice and easy to hit, and your power would trigger off!
Mind you, then your DM would beat you to death with the PHB, so it might not be worth it ^^;;
Mind you, then your DM would beat you to death with the PHB, so it might not be worth it ^^;;