2 Level 7 Spellcaster monsters
While this card has material, you can activate a Quick-Play Spell Card or a Trap Card from your hand during your opponent's turn by detaching 1 material from this card at activation. If this Xyz Summoned card is destroyed by battle and sent to the GY, or if this Xyz Summoned card you control is sent to your GY by an opponent's card effect: You can Special Summon 1 DARK Spellcaster monster from your hand or Deck, then you can destroy 1 card on the field.