--トライアングル・エリア
function c53291093.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_DESTROY+CATEGORY_SPECIAL_SUMMON+CATEGORY_DECKDES)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetHintTiming(0,TIMINGS_CHECK_MONSTER+TIMING_END_PHASE)
	e1:SetTarget(c53291093.target)
	e1:SetOperation(c53291093.activate)
	c:RegisterEffect(e1)
end
function c53291093.filter(c)
	return c:GetCounter(0x100e)>0
end
function c53291093.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_MZONE) and c53291093.filter(chkc) end
	if chk==0 then return Duel.IsExistingTarget(c53291093.filter,tp,LOCATION_MZONE,LOCATION_MZONE,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
	local g=Duel.SelectTarget(tp,c53291093.filter,tp,LOCATION_MZONE,LOCATION_MZONE,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,g,1,0,0)
end
function c53291093.spfilter(c,e,tp)
	return c:IsSetCard(0xc) and c:IsLevel(4) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function c53291093.activate(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsFaceup() and tc:IsRelateToEffect(e) and Duel.Destroy(tc,REASON_EFFECT)~=0
		and Duel.GetLocationCount(tp,LOCATION_MZONE)>0 then
		local g=Duel.GetMatchingGroup(c53291093.spfilter,tp,LOCATION_DECK,0,nil,e,tp)
		if g:GetCount()>0 and Duel.SelectYesNo(tp,aux.Stringid(53291093,0)) then
			Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
			local sg=g:Select(tp,1,1,nil)
			Duel.BreakEffect()
			Duel.SpecialSummon(sg,0,tp,tp,false,false,POS_FACEUP)
			local sc=sg:GetFirst()
			local fid=e:GetHandler():GetFieldID()
			sc:RegisterFlagEffect(53291093,RESET_EVENT+RESETS_STANDARD,0,1,fid)
			local e1=Effect.CreateEffect(e:GetHandler())
			e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
			e1:SetCode(EVENT_PHASE+PHASE_END)
			e1:SetCountLimit(1)
			e1:SetProperty(EFFECT_FLAG_IGNORE_IMMUNE)
			e1:SetLabel(fid)
			e1:SetLabelObject(sc)
			e1:SetCondition(c53291093.descon)
			e1:SetOperation(c53291093.desop)
			Duel.RegisterEffect(e1,tp)
		end
	end
end
function c53291093.descon(e,tp,eg,ep,ev,re,r,rp)
	local tc=e:GetLabelObject()
	if tc:GetFlagEffectLabel(53291093)~=e:GetLabel() then
		e:Reset()
		return false
	else return true end
end
function c53291093.desop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Destroy(e:GetLabelObject(),REASON_EFFECT)
end
