--スローン・オブ・デーモンズ
local s,id,o=GetID()
function s.initial_effect(c)
	aux.AddCodeList(c,101303031)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
	--tohand
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_TOHAND)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e2:SetRange(LOCATION_GRAVE+LOCATION_REMOVED)
	e2:SetCode(EVENT_PHASE+PHASE_STANDBY)
	e2:SetCountLimit(1,id)
	e2:SetCondition(s.thcon)
	e2:SetTarget(s.thtg)
	e2:SetOperation(s.thop)
	c:RegisterEffect(e2)
end
function s.rfilter(c,e,tp)
	return c:IsFaceupEx() and c:IsSetCard(0x45)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then
		local mg=Duel.GetRitualMaterial(tp)
		return Duel.IsExistingMatchingCard(aux.RitualUltimateFilter,tp,LOCATION_HAND+LOCATION_GRAVE+LOCATION_REMOVED+LOCATION_EXTRA,0,1,nil,s.rfilter,e,tp,mg,nil,Card.GetLevel,"Greater")
	end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_HAND+LOCATION_GRAVE+LOCATION_REMOVED+LOCATION_EXTRA)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	::cancel::
	local mg=Duel.GetRitualMaterial(tp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local tg=Duel.SelectMatchingCard(tp,aux.NecroValleyFilter(aux.RitualUltimateFilter),tp,LOCATION_HAND+LOCATION_GRAVE+LOCATION_REMOVED+LOCATION_EXTRA,0,1,1,nil,s.rfilter,e,tp,mg,nil,Card.GetLevel,"Greater")
	local tc=tg:GetFirst()
	if tc then
		mg=mg:Filter(Card.IsCanBeRitualMaterial,tc,tc)
		if tc.mat_filter then
			mg=mg:Filter(tc.mat_filter,tc,tp)
		else
			mg:RemoveCard(tc)
		end
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_RELEASE)
		aux.GCheckAdditional=aux.RitualCheckAdditional(tc,tc:GetLevel(),"Greater")
		local mat=mg:SelectSubGroup(tp,aux.RitualCheck,true,1,tc:GetLevel(),tp,tc,tc:GetLevel(),"Greater")
		aux.GCheckAdditional=nil
		if not mat then goto cancel end
		tc:SetMaterial(mat)
		Duel.ReleaseRitualMaterial(mat)
		Duel.BreakEffect()
		Duel.SpecialSummon(tc,SUMMON_TYPE_RITUAL,tp,tp,false,true,POS_FACEUP)
		tc:CompleteProcedure()
	end
end
function s.cfilter(c)
	return c:IsFaceupEx() and c:IsCode(101303031)
end
function s.thcon(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsExistingMatchingCard(s.cfilter,tp,LOCATION_EXTRA,0,1,nil)
end
function s.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return e:GetHandler():IsAbleToHand() end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,e:GetHandler(),1,0,0)
end
function s.thop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsRelateToChain() and aux.NecroValleyFilter()(c) then
		Duel.SendtoHand(c,nil,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,c)
	end
end
