Effect
When your opponent adds a card(s) from the Graveyard to their hand: They must shuffle 1 of those cards into their Deck.
This effect does not target.
This effect is not activated by chaining to the activation of an opponent's effect that returns a card from the Graveyard to the hand.
This effect can be activated at the timing when the resolution of an opponent's effect that returns a card from the Graveyard to the hand has finished.
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