Generate a YGOPro Lua script for the following Yu-Gi-Oh card 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.
--弦魔人ムズムズリズム
--Muzurhythm the String Djinn
local s,id=GetID()
function s.initial_effect(c)
	--xyz summon
	Xyz.AddProcedure(c,nil,3,2)
	c:EnableReviveLimit()
	--attack up
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_ATKCHANGE)
	e1:SetType(EFFECT_TYPE_QUICK_O)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetProperty(EFFECT_FLAG_DAMAGE_STEP)
	e1:SetHintTiming(TIMING_DAMAGE_STEP)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCountLimit(1,id)
	e1:SetCondition(s.atkcon)
	e1:SetCost(Cost.DetachFromSelf(1))
	e1:SetOperation(s.atkop)
	c:RegisterEffect(e1)
end
s.listed_series={SET_DJINN}
function s.atkcon(e,tp,eg,ep,ev,re,r,rp)
	local ph=Duel.GetCurrentPhase()
	if ph~=PHASE_DAMAGE or Duel.IsDamageCalculated() then return false end
	local tc=Duel.GetAttacker()
	return tc:IsControler(tp) and tc:IsRelateToBattle() and tc:IsSetCard(SET_DJINN) and tc:IsType(TYPE_XYZ) and Duel.GetAttackTarget()~=nil
end
function s.atkop(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetAttacker()
	if tc:IsRelateToBattle() and tc:IsFaceup() then
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_SET_ATTACK_FINAL)
		e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
		e1:SetReset(RESETS_STANDARD_PHASE_END)
		e1:SetValue(tc:GetAttack()*2)
		tc:RegisterEffect(e1)
	end
end