--パラレル・ツイスター
function c83102080.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_DESTROY)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetCost(c83102080.cost)
	e1:SetTarget(c83102080.target)
	e1:SetOperation(c83102080.activate)
	c:RegisterEffect(e1)
end
function c83102080.filter(c,ec)
	return c:IsType(TYPE_SPELL+TYPE_TRAP) and c:IsAbleToGraveAsCost()
		and Duel.IsExistingTarget(c83102080.tgfilter,0,LOCATION_ONFIELD,LOCATION_ONFIELD,1,ec,c)
end
function c83102080.tgfilter(c,tc)
	return c~=tc
end
function c83102080.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	e:SetLabel(1)
	return true
end
function c83102080.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	local c=e:GetHandler()
	if chkc then return chkc:IsOnField() and chkc~=c end
	if chk==0 then
		if e:GetLabel()~=0 then
			e:SetLabel(0)
			return Duel.IsExistingMatchingCard(c83102080.filter,tp,LOCATION_ONFIELD,0,1,c,c)
		else
			return Duel.IsExistingTarget(aux.TRUE,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,1,c)
		end
	end
	if e:GetLabel()~=0 then
		e:SetLabel(0)
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TOGRAVE)
		local g=Duel.SelectMatchingCard(tp,c83102080.filter,tp,LOCATION_ONFIELD,0,1,1,c,c)
		Duel.SendtoGrave(g,REASON_COST)
	end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
	local g=Duel.SelectTarget(tp,aux.TRUE,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,1,1,c)
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,g,1,0,0)
end
function c83102080.activate(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) then
		Duel.Destroy(tc,REASON_EFFECT)
	end
end
