Force orb
wizard attack 1
Target: one creature or object
Attack: Intelligence vs. Reflex
Hit: "2d8 + Intelligence modifier force damage, and you make the secondary attack."
Force orb is an encounter power available to wizards at 1st level.
The Class Compendium: The Arcanist article in Dragon 401 added the evocation keyword to force orb, and made its secondary attack an area burst. The December 2011 update finalized these changes.