Time Seer

Foresee. (When you scry this card and place it as the
top card of your library, you may place it revealed.
If you do, you may play this card this turn. You can
only Foresee once per turn.)
When you Foresee Time Seer, or when it enters
the battlefield, tap target creature an opponent
controls. It doesn't untap during its controller's
next untap step.