If you conquer a battlefield with Teemo and use Legend Teemo's ability to return him to hand, do you still maintain control of the battlefield?

Ruling: You lose control of the battlefield and it becomes uncontested (assuming Teemo was the only unit at that battlefield).

Nuances:

• This only applies if Teemo was the only unit you had at that battlefield
• If you had other units present, the outcome would be different