Flaming sphere
wizard attack 1

Effect: "You conjure a Medium flaming sphere in an unoccupied square within range. The sphere occupies its square, and it lasts until the end of your next turn. Any creature that starts its turn adjacent to the sphere takes 1d4 + Intelligence modifier fire damage. As a move action, you can move the sphere up to 6 squares.

"When the sphere appears, it immediately makes the following attack. While the sphere persists, you can use a standard action to command it to make the attack."
Target: one creature adjacent to the sphere
Attack: Intelligence vs. Reflex

Hit: "2d6 + Intelligence modifier fire damage."

Sustain minor: "The sphere persists until the end of your next turn."[PH:160][U:8/2008][Dr401:55]

Flaming sphere is a daily power available to wizards at 1st level.

The August 2008 update clarified the flaming sphere's attack properties. The "Class Compendium: The Arcanist" article in Dragon 401 added the evocation keyword to flaming sphere.