2 Level 8 Dragon-Type monsters
Once per turn, if you control no other monsters: You can detach 1 Xyz Material from this card, then activate 1 of these effects.
* Special Summon 1 Dragon-Type monster from your hand.
* Target 1 Dragon-Type monster your opponent controls; take control of that target.
* Dragon-Type monsters your opponent controls cannot activate their effects until the end of your opponent's turn.