Effect
2 Level 3 monsters When 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.
The effect of "Temtempo the Percussion Djinn" is a Quick Effect.
It does not target.
This effect can be activated from the start of the Damage Step until before damage calculation, when a "Djinn" Xyz Monster you control in face-up Attack Position attacks an opponent's monster. (It can also be activated if "Temtempo the Percussion Djinn" itself is attacking.)
When the effect of "Temtempo the Percussion Djinn" is applied, the current ATK of that attacking monster on the field is doubled.
"End Phase" in "that attacking monster's ATK becomes double until the End Phase" is read as "end of the turn." (Applied from July 10, 2014)
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