Stellarknight Delteros (Secret Rare) [BLGG-EN010-SeR]

3 Level 4 monsters
While this card has Xyz Material, your opponent cannot activate cards or effects when you Normal or Special Summon a monster(s). Once per turn: You can detach 1 Xyz Material from this card, then target 1 card on the field; destroy it. If this card is sent from the field to the Graveyard: You can Special Summon 1 "tellarknight" monster from your hand or Deck.