If you control no monsters and an Xyz Monster you control was destroyed this turn: Target 1 Xyz Monster in your Graveyard that was destroyed this turn and 1 other monster in your Graveyard whose ATK is less than or equal to the ATK of the destroyed monster; Special Summon those targets. Destroy them during the End Phase.
![Xyz Double Back [CBLZ-EN056] Common | Shuffle n Cut Hobbies & Games](http://www.shuffleandcutgames.co.nz/cdn/shop/products/67651_200w.jpg?v=1615995625)
