If you control a "Tistina" card: You can Special Summon this card from your hand, then you can add 1 "Tistina" Spell/Trap from your Deck to your hand. During your opponent's turn, if you control "Crystal God Tistina" (Quick Effect): You can change as many monsters your opponent controls as possible to face-down Defense Position, then you can send all face-up cards your opponent controls to the GY. You can only use each effect of "Demigod of the Tistina" once per turn.
![Demigod of the Tistina [DUNE-EN088] Ultra Rare | Shuffle n Cut Hobbies & Games](http://www.shuffleandcutgames.co.nz/cdn/shop/products/504977_da0e0706-1dc2-4010-9b9b-ddd12034b25e.jpg?v=1702647664)
