Dru-Be-One Kenobi

Vigilance
Whenever Dru-be-one Kenobi attacks, tap target creature an opponent control. That creature doesn't untap during it's controller's next untap step.
{t}{3}{w/u} Gain control of target creature with power less than Dru-be-one Kenobi until he leave the battlefield. Activate this ability only at time you could cast a sorcery.