Mind Shuffle

During either player's turn: You can add 1 monster that mentions "Ritual of Light and Darkness" from your Deck to your hand, then discard 1 card. You can only use this effect of "Mind Shuffle" once per turn. When your opponent activates a card or effect: You can return 1 Level 7 or higher monster you control to the hand; Special Summon 1 monster with a different name from your hand that mentions "Ritual of Light and Darkness", ignoring its Summoning conditions. You cannot activate these effects of "Mind Shuffle" in the same Chain.