--ドラゴン・復活の狂奏
function c71867500.initial_effect(c)
	--activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetCountLimit(1,71867500+EFFECT_COUNT_CODE_OATH)
	e1:SetCondition(c71867500.condition)
	e1:SetTarget(c71867500.target)
	e1:SetOperation(c71867500.activate)
	c:RegisterEffect(e1)
end
function c71867500.cfilter(c)
	return c:IsFaceup() and c:IsRace(RACE_SPELLCASTER)
end
function c71867500.condition(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsExistingMatchingCard(c71867500.cfilter,tp,LOCATION_MZONE,0,1,nil)
end
function c71867500.filter(c,e,tp)
	return c:IsRace(RACE_DRAGON) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function c71867500.nfilter(c,e,tp)
	return c71867500.filter(c,e,tp) and c:IsType(TYPE_NORMAL)
end
function c71867500.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return false end
	local ct=Duel.GetLocationCount(tp,LOCATION_MZONE)
	if chk==0 then return ct>0 and Duel.IsExistingTarget(c71867500.nfilter,tp,LOCATION_GRAVE,0,1,nil,e,tp) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g1=Duel.SelectTarget(tp,c71867500.nfilter,tp,LOCATION_GRAVE,0,1,1,nil,e,tp)
	if ct>1 and not Duel.IsPlayerAffectedByEffect(tp,59822133)
		and Duel.IsExistingTarget(c71867500.filter,tp,LOCATION_GRAVE,0,1,g1,e,tp)
		and Duel.SelectYesNo(tp,aux.Stringid(71867500,0)) then
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
		local g2=Duel.SelectTarget(tp,c71867500.filter,tp,LOCATION_GRAVE,0,1,1,g1,e,tp)
		g1:Merge(g2)
	end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,g1,g1:GetCount(),0,0)
end
function c71867500.activate(e,tp,eg,ep,ev,re,r,rp)
	local e1=Effect.CreateEffect(e:GetHandler())
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetCode(EFFECT_CHANGE_DAMAGE)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e1:SetTargetRange(0,1)
	e1:SetValue(0)
	e1:SetReset(RESET_PHASE+PHASE_END)
	Duel.RegisterEffect(e1,tp)
	local e2=e1:Clone()
	e2:SetCode(EFFECT_NO_EFFECT_DAMAGE)
	e2:SetReset(RESET_PHASE+PHASE_END)
	Duel.RegisterEffect(e2,tp)
	local ct=Duel.GetLocationCount(tp,LOCATION_MZONE)
	if ct<1 then return end
	local g=Duel.GetChainInfo(0,CHAININFO_TARGET_CARDS):Filter(Card.IsRelateToEffect,nil,e)
	if g:GetCount()==0 then return end
	if g:GetCount()>ct or (g:GetCount()>1 and Duel.IsPlayerAffectedByEffect(tp,59822133)) then
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
		g=g:Select(tp,1,1,nil)
	end
	Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
end
