Dark. Zombie/Xyz/Effect. 2+ Level 6 monstersIf you Xyz Summon this card by using a monster that is owned by your opponent as material, that monsters Level is treated as 6. Once per turn: You can detach 1 material from this card, then target 1 card your opponent controls; send it to the GY. Once per turn, if a monster(s) on the field is sent to your opponents GY by a card effect, or is destroyed by battle and sent to your opponents GY: You can detach 1 material from this card; Special Summon 1 of that monster(s) to your field in Defense Position.