--真紅眼の亜黒竜
---@param c Card
function c18491580.initial_effect(c)
	c:EnableReviveLimit()
	--special summon rule
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_UNCOPYABLE)
	e1:SetCode(EFFECT_SPSUMMON_PROC)
	e1:SetRange(LOCATION_HAND)
	e1:SetCountLimit(1,18491580+EFFECT_COUNT_CODE_OATH)
	e1:SetCondition(c18491580.hspcon)
	e1:SetTarget(c18491580.hsptg)
	e1:SetOperation(c18491580.hspop)
	c:RegisterEffect(e1)
	--spsummon
	local e2=Effect.CreateEffect(c)
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e2:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e2:SetCode(EVENT_DESTROYED)
	e2:SetProperty(EFFECT_FLAG_CARD_TARGET+EFFECT_FLAG_DELAY)
	e2:SetCondition(c18491580.spcon)
	e2:SetTarget(c18491580.sptg)
	e2:SetOperation(c18491580.spop)
	c:RegisterEffect(e2)
end
function c18491580.hspfilter(c,tp)
	return c:IsType(TYPE_MONSTER) and c:IsSetCard(0x3b) and Duel.GetMZoneCount(tp,c)>0
end
function c18491580.hspcon(e,c)
	if c==nil then return true end
	local tp=c:GetControler()
	return Duel.CheckReleaseGroupEx(tp,c18491580.hspfilter,1,REASON_SPSUMMON,true,c,tp)
end
function c18491580.hsptg(e,tp,eg,ep,ev,re,r,rp,chk,c)
	local g=Duel.GetReleaseGroup(tp,true,REASON_SPSUMMON):Filter(c18491580.hspfilter,c,tp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_RELEASE)
	local tc=g:SelectUnselect(nil,tp,false,true,1,1)
	if tc then
		e:SetLabelObject(tc)
		return true
	else return false end
end
function c18491580.hspop(e,tp,eg,ep,ev,re,r,rp,c)
	local sg=e:GetLabelObject()
	Duel.Release(sg,REASON_SPSUMMON)
end
function c18491580.spcon(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	return c:IsReason(REASON_BATTLE)
		or (rp==1-tp and c:IsReason(REASON_EFFECT) and c:IsPreviousControler(tp))
end
function c18491580.filter(c,e,tp)
	return c:IsSetCard(0x3b) and c:IsLevelBelow(7) and not c:IsCode(18491580)
		and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function c18491580.sptg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsControler(tp) and chkc:IsLocation(LOCATION_GRAVE) and c18491580.filter(chkc,e,tp) end
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingTarget(c18491580.filter,tp,LOCATION_GRAVE,0,1,nil,e,tp) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectTarget(tp,c18491580.filter,tp,LOCATION_GRAVE,0,1,1,nil,e,tp)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,g,1,0,0)
end
function c18491580.spop(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) and Duel.SpecialSummonStep(tc,0,tp,tp,false,false,POS_FACEUP) then
		if tc:IsCode(74677422) then
			local e1=Effect.CreateEffect(e:GetHandler())
			e1:SetType(EFFECT_TYPE_SINGLE)
			e1:SetCode(EFFECT_SET_BASE_ATTACK)
			e1:SetValue(tc:GetBaseAttack()*2)
			e1:SetReset(RESET_EVENT+RESETS_STANDARD)
			tc:RegisterEffect(e1)
		end
	end
	Duel.SpecialSummonComplete()
end
