You must have been in the right place at the right time.

Daily   ✦     Arcane
Free Action      Personal

Trigger: You miss a target with a sorcerer attack power.

Effect: Reroll the triggering attack roll. If you still miss the target even after the reroll, you take psychic damage equal to your Charisma modifier and regain the use of this power at the start of your next turn.

Published in Dragon Magazine 385, page(s) 48.