If your opponent controls a card You can Set up to 1 Ninja monster and up to 1 Ninjitsu Art SpellTrap except Ninjitsu Art Notebook of Mystery These cards come from your Deck andor GY but only 1 can come from each If this Set card on the field is sent to the GY You can target 1 faceup monster on the field change it to facedown Defense Position You can only use each effect of Ninjitsu Art Notebook of Mystery once per turn
