--堕天使ネルガル
---@param c Card
function c18168997.initial_effect(c)
	c:SetSPSummonOnce(18168997)
	--pierce
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetCode(EFFECT_PIERCE)
	e1:SetRange(LOCATION_MZONE)
	e1:SetTargetRange(LOCATION_MZONE,0)
	e1:SetTarget(aux.TargetBoolFunction(Card.IsRace,RACE_FAIRY))
	c:RegisterEffect(e1)
	--copy effect
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(18168997,0))
	e2:SetCategory(CATEGORY_TODECK)
	e2:SetType(EFFECT_TYPE_QUICK_O)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCode(EVENT_FREE_CHAIN)
	e2:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e2:SetHintTiming(0,TIMINGS_CHECK_MONSTER+TIMING_END_PHASE)
	e2:SetCountLimit(1,18168997)
	e2:SetCost(c18168997.cpcost)
	e2:SetTarget(c18168997.cptg)
	e2:SetOperation(c18168997.cpop)
	c:RegisterEffect(e2)
end
function c18168997.cpcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.CheckLPCost(tp,1000) end
	Duel.PayLPCost(tp,1000)
end
function c18168997.cpfilter(c)
	return c:IsSetCard(0xef) and c:IsType(TYPE_SPELL+TYPE_TRAP) and c:IsAbleToDeck() and c:CheckActivateEffect(false,true,false)~=nil
end
function c18168997.cptg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then
		local te=e:GetLabelObject()
		local tg=te:GetTarget()
		return tg and tg(e,tp,eg,ep,ev,re,r,rp,0,chkc)
	end
	if chk==0 then return Duel.IsExistingTarget(c18168997.cpfilter,tp,LOCATION_GRAVE,0,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TARGET)
	local g=Duel.SelectTarget(tp,c18168997.cpfilter,tp,LOCATION_GRAVE,0,1,1,nil)
	local te,ceg,cep,cev,cre,cr,crp=g:GetFirst():CheckActivateEffect(false,true,true)
	Duel.ClearTargetCard()
	g:GetFirst():CreateEffectRelation(e)
	local tg=te:GetTarget()
	if tg then tg(e,tp,ceg,cep,cev,cre,cr,crp,1) end
	te:SetLabelObject(e:GetLabelObject())
	e:SetLabelObject(te)
	Duel.ClearOperationInfo(0)
	Duel.SetOperationInfo(0,CATEGORY_TODECK,g,1,0,0)
end
function c18168997.cpop(e,tp,eg,ep,ev,re,r,rp)
	local te=e:GetLabelObject()
	if not te then return end
	if not te:GetHandler():IsRelateToEffect(e) then return end
	e:SetLabelObject(te:GetLabelObject())
	local op=te:GetOperation()
	if op then op(e,tp,eg,ep,ev,re,r,rp) end
	Duel.BreakEffect()
	Duel.SendtoDeck(te:GetHandler(),nil,SEQ_DECKSHUFFLE,REASON_EFFECT)
end
