--ファイアウォール・ドラゴン・シンギュラリティ
function c21637210.initial_effect(c)
	--link summon
	aux.AddLinkProcedure(c,aux.FilterBoolFunction(Card.IsLinkType,TYPE_EFFECT),3)
	c:EnableReviveLimit()
	--return tohand
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(21637210,0))
	e1:SetCategory(CATEGORY_TOHAND+CATEGORY_ATKCHANGE)
	e1:SetType(EFFECT_TYPE_QUICK_O)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET+EFFECT_FLAG_DAMAGE_STEP)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetRange(LOCATION_MZONE)
	e1:SetHintTiming(TIMING_DAMAGE_STEP,TIMING_DAMAGE_STEP+TIMINGS_CHECK_MONSTER+TIMING_MAIN_END)
	e1:SetCountLimit(1,21637210)
	e1:SetCondition(aux.dscon)
	e1:SetTarget(c21637210.thtg)
	e1:SetOperation(c21637210.thop)
	c:RegisterEffect(e1)
	--Special Summon
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
	e2:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCode(EVENT_BATTLE_DESTROYED)
	e2:SetCondition(c21637210.regcon)
	e2:SetOperation(c21637210.regop)
	c:RegisterEffect(e2)
	local e3=e2:Clone()
	e3:SetCode(EVENT_TO_GRAVE)
	e3:SetCondition(c21637210.regcon2)
	c:RegisterEffect(e3)
	local e4=Effect.CreateEffect(c)
	e4:SetDescription(aux.Stringid(21637210,1))
	e4:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e4:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e4:SetProperty(EFFECT_FLAG_SINGLE_RANGE+EFFECT_FLAG_DELAY+EFFECT_FLAG_CARD_TARGET)
	e4:SetCode(EVENT_CUSTOM+21637210)
	e4:SetRange(LOCATION_MZONE)
	e4:SetCountLimit(1,21637211)
	e4:SetTarget(c21637210.sptg)
	e4:SetOperation(c21637210.spop)
	c:RegisterEffect(e4)
end
function c21637210.filter(c)
	return c:IsType(TYPE_MONSTER) and c:IsType(TYPE_RITUAL+TYPE_FUSION+TYPE_SYNCHRO+TYPE_XYZ) and c:IsFaceupEx()
end
function c21637210.thtg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_ONFIELD+LOCATION_GRAVE) and chkc:IsControler(1-tp) and chkc:IsAbleToHand() end
	local g=Duel.GetMatchingGroup(c21637210.filter,tp,LOCATION_MZONE+LOCATION_GRAVE,0,nil)
	if chk==0 then return #g>0 and Duel.IsExistingTarget(Card.IsAbleToHand,tp,0,LOCATION_ONFIELD+LOCATION_GRAVE,1,nil) end
	local ct=0
	for i,type in ipairs({TYPE_RITUAL,TYPE_FUSION,TYPE_SYNCHRO,TYPE_XYZ}) do
		if g:IsExists(Card.IsType,1,nil,type) then
			ct=ct+1
		end
	end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_RTOHAND)
	local g=Duel.SelectTarget(tp,Card.IsAbleToHand,tp,0,LOCATION_ONFIELD+LOCATION_GRAVE,1,ct,nil)
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,g,#g,0,0)
end
function c21637210.thop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local g=Duel.GetTargetsRelateToChain()
	if #g==0 then return end
	local ct=Duel.SendtoHand(g,nil,REASON_EFFECT)
	if ct>0 and c:IsFaceup() and c:IsRelateToEffect(e) then
		local e1=Effect.CreateEffect(c)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_UPDATE_ATTACK)
		e1:SetValue(ct*500)
		e1:SetReset(RESET_EVENT+RESETS_STANDARD+RESET_DISABLE)
		c:RegisterEffect(e1)
	end
end
function c21637210.cfilter(c,tp,zone)
	local seq=c:GetPreviousSequence()
	if c:IsPreviousControler(1-tp) then seq=seq+16 end
	return c:IsPreviousLocation(LOCATION_MZONE) and bit.extract(zone,seq)~=0
end
function c21637210.regcon(e,tp,eg,ep,ev,re,r,rp)
	return eg:IsExists(c21637210.cfilter,1,nil,tp,e:GetHandler():GetLinkedZone())
end
function c21637210.cfilter2(c,tp,zone)
	return not c:IsReason(REASON_BATTLE) and c21637210.cfilter(c,tp,zone)
end
function c21637210.regcon2(e,tp,eg,ep,ev,re,r,rp)
	return eg:IsExists(c21637210.cfilter2,1,nil,tp,e:GetHandler():GetLinkedZone())
end
function c21637210.regop(e,tp,eg,ep,ev,re,r,rp)
	Duel.RaiseSingleEvent(e:GetHandler(),EVENT_CUSTOM+21637210,e,0,tp,0,0)
end
function c21637210.spfilter(c,e,tp)
	return c:IsRace(RACE_CYBERSE) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function c21637210.sptg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_GRAVE) and chkc:IsControler(tp) and c21637210.spfilter(chkc,e,tp) end
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingTarget(c21637210.spfilter,tp,LOCATION_GRAVE,0,1,nil,e,tp) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectTarget(tp,c21637210.spfilter,tp,LOCATION_GRAVE,0,1,1,nil,e,tp)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,g,1,0,0)
end
function c21637210.spop(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) then
		Duel.SpecialSummon(tc,0,tp,tp,false,false,POS_FACEUP)
	end
end
