YS12-EN040 – Muzurhythm the String Djinn – Super Rare – 1st Edition

2 Level 3 monstersWhen a ‘Djinn’ Xyz Monster you control is attacking an opponent’s monster, during the Damage Step: You can detach 1 Xyz Material from this card; the attacking monster’s ATK is doubled until the End Phase. You can only use this effect of ‘Muzurhythm the String Djinn’ once per turn.