Somnophore | Magic: The Gathering
Formats Somnophore is Legal in
Official Oracle Text for Somnophore
Whenever Somnophore deals damage to a player, tap target creature that player controls. That creature doesn't untap during its controller's untap step for as long as Somnophore remains on the battlefield.
Official Rulings for Somnophore
10/4/2004 : You can choose the same creature more than once (for no additional effect).