Declare 1 card name. If that card is in your opponent's hand, they must discard all copies of it in their hand to the Graveyard. If it is not, you randomly discard 1 card.
Set:
Structure Deck: Dark World
Declare 1 card name. If that card is in your opponent's hand, they must discard all copies of it in their hand to the Graveyard. If it is not, you randomly discard 1 card.
