Constellar Praesepe

[ Machine / Xyz / Effect ] 2 Level 4 "Constellar" monsters Once per turn, during the Damage Step of either player's turn, when a "Constellar" monster you control is attacking or being attacked: You can detach 1 Xyz Material from this card; that monster gains 1000 ATK, until the End Phase. ATK/ 2400 DEF/ 800