Shizuku, Natural Stone/Rulings


 * It is not mandatory to add an  SIGNI to your hand when you use this SIGNI's ability.
 * When this SIGNI's ability is used, and while searching your deck, you find that you have no  SIGNI in your deck, you shuffle your deck without adding any card to your hand instead.
 * When this SIGNI's ability is used, and you have a  SIGNI in your deck but do not want to add that  SIGNI to your hand, you shuffle your deck without adding any card to your hand instead.