--オルターガイスト・シルキタス
---@param c Card
function c89538537.initial_effect(c)
	--to hand
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_TOHAND)
	e1:SetDescription(aux.Stringid(89538537,0))
	e1:SetType(EFFECT_TYPE_QUICK_O)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetHintTiming(0,TIMINGS_CHECK_MONSTER+TIMING_END_PHASE)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCountLimit(1,89538537)
	e1:SetCost(c89538537.rthcost)
	e1:SetTarget(c89538537.rthtg)
	e1:SetOperation(c89538537.rthop)
	c:RegisterEffect(e1)
	--to hand
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(89538537,1))
	e2:SetCategory(CATEGORY_TOHAND)
	e2:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e2:SetProperty(EFFECT_FLAG_DELAY+EFFECT_FLAG_CARD_TARGET)
	e2:SetCode(EVENT_TO_GRAVE)
	e2:SetCountLimit(1,89538538)
	e2:SetCondition(c89538537.thcon)
	e2:SetTarget(c89538537.thtg)
	e2:SetOperation(c89538537.thop)
	c:RegisterEffect(e2)
end
function c89538537.rthcost(e,tp,eg,ep,ev,re,r,rp,chk)
	e:SetLabel(1)
	return true
end
function c89538537.rthcfilter(c,tp)
	return c:IsFaceup() and c:IsSetCard(0x103) and c:IsAbleToHandAsCost()
		and Duel.IsExistingTarget(c89538537.rthtgfilter,tp,0,LOCATION_ONFIELD,1,c,c)
end
function c89538537.rthtgfilter(c,tc)
	return c:IsAbleToHand() and c:GetEquipTarget()~=tc
end
function c89538537.rthtg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	local c=e:GetHandler()
	if chkc then return chkc:IsControler(1-tp) and chkc:IsOnField() and chkc:IsAbleToHand() end
	if chk==0 then
		if e:GetLabel()==1 then
			e:SetLabel(0)
			return Duel.IsExistingMatchingCard(c89538537.rthcfilter,tp,LOCATION_ONFIELD,0,1,c,tp)
		else
			return Duel.IsExistingTarget(Card.IsAbleToHand,tp,0,LOCATION_ONFIELD,1,nil)
		end
	end
	if e:GetLabel()==1 then
		e:SetLabel(0)
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_RTOHAND)
		local g=Duel.SelectMatchingCard(tp,c89538537.rthcfilter,tp,LOCATION_ONFIELD,0,1,1,c,tp)
		Duel.SendtoHand(g,nil,REASON_COST)
	end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_RTOHAND)
	local g=Duel.SelectTarget(tp,Card.IsAbleToHand,tp,0,LOCATION_ONFIELD,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,g,1,0,0)
end
function c89538537.rthop(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) then
		Duel.SendtoHand(tc,nil,REASON_EFFECT)
	end
end
function c89538537.thcon(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():IsPreviousLocation(LOCATION_ONFIELD)
end
function c89538537.thfilter(c)
	return c:IsSetCard(0x103) and c:IsType(TYPE_TRAP) and c:IsAbleToHand()
end
function c89538537.thtg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_GRAVE) and chkc:IsControler(tp) and c89538537.thfilter(chkc) end
	if chk==0 then return Duel.IsExistingTarget(c89538537.thfilter,tp,LOCATION_GRAVE,0,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local sg=Duel.SelectTarget(tp,c89538537.thfilter,tp,LOCATION_GRAVE,0,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,sg,sg:GetCount(),0,0)
end
function c89538537.thop(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) and aux.NecroValleyFilter()(tc) then
		Duel.SendtoHand(tc,nil,REASON_EFFECT)
	end
end
