Temtempo the Percussion Djinn (SP14-EN029) [Star Pack 2014]

2 Level 3 monsters // Once per turn, during either player's turn: You can detach 1 Xyz Material from this card to target 1 Xyz Monster your opponent controls; detach 1 Xyz Material from that monster, and all face-up "Djinn" Xyz Monsters you currently control gain 500 ATK.