Van Statten's Metaltron

Van Statten's Metaltron enters the battlefield tapped with a stun counter on it.
When Van Statten's Metaltron enters the battlefield, it deals 1 damage to you.
Whenever Van Statten's Metaltron becomes untapped, if it has no stun counter on it, for each opponent, destroy up to one target creature that player controls and transform
Van Statten's Metaltron. 3/3>