مصاص الدماء الحي

2+ Level 8 monsters
If you use a monster(s), with a Level, that is owned by your opponent for the Xyz Summon of this card, treat it as Level 8. Neither player can target this card with the effects of monsters Special Summoned from anywhere other than the GY. You can detach 1 material from this card; send the top 4 cards of each player's Deck to the GY, then, if a monster(s) was sent to the GY(s) with this effect, you can Special Summon 1 of them to your field. You can only use this effect of "The Undead Vampire" once per turn.