Once per turn: You can change this card to face-down Defense Position. You can only use each of the following effects of "Pharaonic Guardian Sphinx" once per turn. If this card is Flip Summoned: Shuffle all monsters your opponent controls into the Deck. If this card in its owner's control is destroyed by an opponent's card: You can Special Summon 1 Level 5 Rock monster from your hand or Deck in face-down Defense Position.