A bolt of many-colored light leaps from your hand and screams toward an enemy's head.

At-Will   ✦     Arcane, Implement, Psychic
Standard Action      Ranged 10

Primary Target: One creature

Primary Attack: Charisma vs. Will

Hit: 1d10 + Charisma modifier psychic damage.
Level 21: 2d10 + Charisma modifier psychic damage.

  Wild Magic: If you rolled an even number for the primary attack roll, make a secondary attack.

  Secondary Target: One creature within 5 squares of the target last hit by this power

  Secondary Attack: Charisma vs. Will

  Hit: 1d6 psychic damage. If you rolled an even number for the secondary attack roll, repeat the secondary attack. You can attack a creature only once with a single use of this power.

Published in Player's Handbook 2, page(s) 138.