Teacherly Discipline

Dr. Vellian Crowler Character Image
Can be used each time your Life Points decrease by 1500. Declare a Monster, Spell or Trap Card. That type of card will be randomly selected from your opponent's Deck and placed on top of their Deck. Neither player will see what the card is. Nothing will be placed on top of your opponent's Deck if the declared card type is not in their Deck.