Assault into Gandennia's Mansion (TTT-071 N) [Thoth of the Trinity]

Play this card only during main timing and only if you control a J/ruler with "Wu Xiaohu" in its name and with no attribute. As you play this card, you may put all magic stones you control on the bottom of your magic stone deck in any order. This card cannot be canceled as long as you don't control any magic stones. If you don't control any magic stones and there are no cards in your magic stone deck, recover a sub-ruler you control with no attribute.