Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
You can Special Summon this card (from your hand) by banishing 1 LIGHT and 1 DARK monster from your GY. You can Special Summon this card (from your GY) by sending 1 LIGHT and 1 DARK monster from your hand to the GY. When this card is sent from the field to the GY: You can target 1 Level 5 or higher DARK Dragon monster in your GY; Special Summon that target.
--ライトパルサー・ドラゴン
--Lightpulsar Dragon
local s,id=GetID()
function s.initial_effect(c)
	--Special summon procedure from hand
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetCode(EFFECT_SPSUMMON_PROC)
	e1:SetProperty(EFFECT_FLAG_UNCOPYABLE)
	e1:SetRange(LOCATION_HAND)
	e1:SetCondition(s.spcon1)
	e1:SetTarget(s.sptg1)
	e1:SetOperation(s.spop1)
	c:RegisterEffect(e1)
	--Special summon procedure from graveyard
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_FIELD)
	e2:SetCode(EFFECT_SPSUMMON_PROC)
	e2:SetProperty(EFFECT_FLAG_UNCOPYABLE)
	e2:SetRange(LOCATION_GRAVE)
	e2:SetCondition(s.spcon2)
	e2:SetTarget(s.sptg2)
	e2:SetOperation(s.spop2)
	c:RegisterEffect(e2)
	--Special summon a monster
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(id,0))
	e3:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e3:SetProperty(EFFECT_FLAG_CARD_TARGET+EFFECT_FLAG_DAMAGE_STEP)
	e3:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e3:SetCode(EVENT_TO_GRAVE)
	e3:SetCondition(s.spcon3)
	e3:SetTarget(s.sptg3)
	e3:SetOperation(s.spop3)
	c:RegisterEffect(e3)
end
function s.rescon(sg,e,tp,mg)
	return aux.ChkfMMZ(1)(sg,e,tp,mg) and sg:IsExists(s.atchk1,1,nil,sg)
end
function s.atchk1(c,sg)
	return c:IsAttribute(ATTRIBUTE_LIGHT) and sg:FilterCount(Card.IsAttribute,c,ATTRIBUTE_DARK)==1
end
function s.spfilter1(c,att)
	return c:IsAttribute(att) and c:IsAbleToRemoveAsCost() and aux.SpElimFilter(c,true)
end
function s.spcon1(e,c)
	if c==nil then return true end
	local tp=c:GetControler()
	local rg1=Duel.GetMatchingGroup(s.spfilter1,tp,LOCATION_MZONE|LOCATION_GRAVE,0,nil,ATTRIBUTE_LIGHT)
	local rg2=Duel.GetMatchingGroup(s.spfilter1,tp,LOCATION_MZONE|LOCATION_GRAVE,0,nil,ATTRIBUTE_DARK)
	local rg=rg1:Clone()
	rg:Merge(rg2)
	local ft=Duel.GetLocationCount(tp,LOCATION_MZONE)
	return ft>-2 and #rg1>0 and #rg2>0 and aux.SelectUnselectGroup(rg,e,tp,2,2,s.rescon,0)
end
function s.sptg1(e,tp,eg,ep,ev,re,r,rp,c)
	local c=e:GetHandler()
	local g=nil
	local rg=Duel.GetMatchingGroup(s.spfilter1,tp,LOCATION_MZONE|LOCATION_GRAVE,0,nil,ATTRIBUTE_LIGHT+ATTRIBUTE_DARK)
	local g=aux.SelectUnselectGroup(rg,e,tp,2,2,s.rescon,1,tp,HINTMSG_REMOVE,nil,nil,true)
	if #g>0 then
		g:KeepAlive()
		e:SetLabelObject(g)
		return true
	end
	return false
end
function s.spop1(e,tp,eg,ep,ev,re,r,rp,c)
	local g=e:GetLabelObject()
	if not g then return end
	Duel.Remove(g,POS_FACEUP,REASON_COST)
	g:DeleteGroup()
end
function s.spfilter2(c,att)
	return c:IsAttribute(att) and c:IsAbleToGraveAsCost()
end
function s.spcon2(e,c)
	if c==nil then return true end
	local eff={c:GetCardEffect(EFFECT_NECRO_VALLEY)}
	for _,te in ipairs(eff) do
		local op=te:GetOperation()
		if not op or op(e,c) then return false end
	end
	local tp=c:GetControler()
	return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingMatchingCard(s.spfilter2,tp,LOCATION_HAND,0,1,nil,ATTRIBUTE_LIGHT)
		and Duel.IsExistingMatchingCard(s.spfilter2,tp,LOCATION_HAND,0,1,nil,ATTRIBUTE_DARK)
end
function s.rescon2(sg,e,tp,mg)
	return sg:IsExists(s.atchk1,1,nil,sg)
end
function s.sptg2(e,tp,eg,ep,ev,re,r,rp,c)
	local c=e:GetHandler()
	local g=nil
	local rg=Duel.GetMatchingGroup(s.spfilter2,tp,LOCATION_HAND,0,nil,ATTRIBUTE_LIGHT+ATTRIBUTE_DARK)
	local g=aux.SelectUnselectGroup(rg,e,tp,2,2,s.rescon2,1,tp,HINTMSG_TOGRAVE,nil,nil,true)
	if #g>0 then
		g:KeepAlive()
		e:SetLabelObject(g)
		return true
	end
	return false
end
function s.spop2(e,tp,eg,ep,ev,re,r,rp,c)
	local g=e:GetLabelObject()
	if not g then return end
	Duel.SendtoGrave(g,REASON_COST)
	g:DeleteGroup()
end
function s.spcon3(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():IsPreviousLocation(LOCATION_ONFIELD)
end
function s.spfilter3(c,e,tp)
	return c:IsLevelAbove(5) and c:IsAttribute(ATTRIBUTE_DARK) and c:IsRace(RACE_DRAGON)
		and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.sptg3(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsControler(tp) and chkc:IsLocation(LOCATION_GRAVE) and s.spfilter3(chkc,e,tp) end
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingTarget(s.spfilter3,tp,LOCATION_GRAVE,0,1,nil,e,tp) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectTarget(tp,s.spfilter3,tp,LOCATION_GRAVE,0,1,1,nil,e,tp)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,g,1,0,0)
end
function s.spop3(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc and tc:IsRelateToEffect(e) then
		Duel.SpecialSummon(tc,0,tp,tp,false,false,POS_FACEUP)
	end
end