Unluck
Bard Attack 7
You manipulate what was once an ode to fate, speaking it in reverse and warping the weave of fortune.
Ranged 5
Target: One creature
Attack: Charisma vs. Reflex
Hit: 1d8 + Charisma modifier necrotic damage. The next time the target makes an attack roll before the end of your next turn, you roll a d20 and can replace the target's roll with yours. In addition, choose an ally within 5 squares of you. The next time that ally attacks the target before the end of your next turn, you roll a d20 and can replace the ally's roll with yours.
Unluck is an encounter power available to bards at 7th level.[PH2:72]