--メタルフォーゼ・シルバード
function c7868571.initial_effect(c)
	--pendulum summon
	aux.EnablePendulumAttribute(c)
	--destroy and set
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_DESTROY)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_PZONE)
	e1:SetCountLimit(1)
	e1:SetTarget(c7868571.target)
	e1:SetOperation(c7868571.operation)
	c:RegisterEffect(e1)
end
function c7868571.desfilter(c,tp)
	if c:IsFacedown() then return false end
	local ft=Duel.GetLocationCount(tp,LOCATION_SZONE)
	if ft==0 and c:IsLocation(LOCATION_SZONE) and c:GetSequence()<5 then
		return Duel.IsExistingMatchingCard(c7868571.filter,tp,LOCATION_DECK,0,1,nil,true)
	else
		return Duel.IsExistingMatchingCard(c7868571.filter,tp,LOCATION_DECK,0,1,nil,false)
	end
end
function c7868571.filter(c,ignore)
	return c:IsSetCard(0xe1) and c:IsType(TYPE_SPELL+TYPE_TRAP) and c:IsSSetable(ignore)
end
function c7868571.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsOnField() and chkc:IsControler(tp) and c7868571.desfilter(chkc,tp) and chkc~=e:GetHandler() end
	if chk==0 then return Duel.IsExistingTarget(c7868571.desfilter,tp,LOCATION_ONFIELD,0,1,e:GetHandler(),tp) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
	local g=Duel.SelectTarget(tp,c7868571.desfilter,tp,LOCATION_ONFIELD,0,1,1,e:GetHandler(),tp)
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,g,1,0,0)
end
function c7868571.operation(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local tc=Duel.GetFirstTarget()
	if c:IsRelateToEffect(e) and tc:IsRelateToEffect(e) and Duel.Destroy(tc,REASON_EFFECT)~=0 then
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SET)
		local g=Duel.SelectMatchingCard(tp,c7868571.filter,tp,LOCATION_DECK,0,1,1,nil,false)
		if g:GetCount()>0 then
			Duel.SSet(tp,g:GetFirst())
			Duel.ConfirmCards(1-tp,g)
		end
	end
end
