Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Discard 1 card, then target 1 face-up monster your opponent controls; banish that target, then, if there are any card(s) with the same name in your opponent's GY, banish them. * The above text is unofficial and describes the card's functionality in the OCG.
--因果切断
--Karma Cut
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_REMOVE)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetHintTiming(0,TIMINGS_CHECK_MONSTER_E)
	e1:SetCost(s.cost)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
function s.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(Card.IsDiscardable,tp,LOCATION_HAND,0,1,e:GetHandler()) end
	Duel.DiscardHand(tp,Card.IsDiscardable,1,1,REASON_COST|REASON_DISCARD)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsControler(1-tp) and chkc:IsLocation(LOCATION_MZONE) and chkc:IsFaceup() and chkc:IsAbleToRemove() end
	if chk==0 then return Duel.IsExistingTarget(aux.FaceupFilter(Card.IsAbleToRemove),tp,0,LOCATION_MZONE,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_REMOVE)
	local g=Duel.SelectTarget(tp,aux.FaceupFilter(Card.IsAbleToRemove),tp,0,LOCATION_MZONE,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_REMOVE,g,1,0,0)
	Duel.SetPossibleOperationInfo(0,CATEGORY_REMOVE,nil,1,1-tp,LOCATION_GRAVE)
end
function s.rfilter(c,code)
	return c:IsCode(code) and c:IsAbleToRemove() and aux.SpElimFilter(c,true)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc and tc:IsFaceup() and tc:IsRelateToEffect(e) and Duel.Remove(tc,POS_FACEUP,REASON_EFFECT)>0 then
		local rg=Duel.GetMatchingGroup(s.rfilter,tp,0,LOCATION_MZONE|LOCATION_GRAVE,tc,tc:GetCode())
		if Duel.GetOperatedGroup():GetFirst():IsLocation(LOCATION_REMOVED) and #rg>0 then
			Duel.BreakEffect()
			Duel.Remove(rg,POS_FACEUP,REASON_EFFECT)
		end
	end
end