Tormentor of Sanity

As an additional cost to cast this spell, sacrifice a
Spirit, Zombie, Skeleton or Demon creature.
Flying
Once per turn, you may choose one card at
random from target opponent's hand. Until the
beginning of your next upkeep, exile that card.
Opponents can't cast spells in response to this
ability.
While the card is exiled, your opponents can't
cast spells with the same name as the exiled card.