2 Level 3 monstersOnce per turn: You can detach 1 Xyz Material from this card; Special Summon 1 "Wind-Up" monster from your hand or Deck. When a face-up "Wind-up" monster on the field is destroyed and sent to your Graveyard (except during the Damage Step): You can detach 1 Xyz Material from this card to target that monster; return that target to the hand.