Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
If you control no monsters, or all monsters you control are "Gouki" monsters, you can Normal Summon this card without Tributing. If this card is sent from the field to the GY: You can add 1 "Gouki" card from your Deck to your hand, except "Gouki Riscorpio". You can only use this effect of "Gouki Riscorpio" once per turn.
--剛鬼ライジングスコーピオ
--Gouki Riscorpio
local s,id=GetID()
function s.initial_effect(c)
	--summon with no tribute
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_UNCOPYABLE)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_SUMMON_PROC)
	e1:SetCondition(s.ntcon)
	e1:SetValue(1)
	c:RegisterEffect(e1)
	--tohand
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_TOHAND+CATEGORY_SEARCH)
	e2:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e2:SetProperty(EFFECT_FLAG_DELAY)
	e2:SetCode(EVENT_TO_GRAVE)
	e2:SetCountLimit(1,id)
	e2:SetCondition(s.thcon)
	e2:SetTarget(s.thtg)
	e2:SetOperation(s.thop)
	c:RegisterEffect(e2)
end
s.listed_series={SET_GOUKI}
s.listed_names={id}
function s.cfilter(c)
	return c:IsFacedown() or not c:IsSetCard(SET_GOUKI)
end
function s.ntcon(e,c,minc,zone)
	if c==nil then return true end
	local tp=c:GetControler()
	return minc==0 and c:GetLevel()>4 and Duel.GetLocationCount(tp,LOCATION_MZONE,tp,LOCATION_REASON_TOFIELD,zone)>0
		and (Duel.GetFieldGroupCount(tp,LOCATION_MZONE,0)==0 or not Duel.IsExistingMatchingCard(s.cfilter,tp,LOCATION_MZONE,0,1,nil))
end
function s.thcon(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():IsPreviousLocation(LOCATION_ONFIELD)
end
function s.thfilter(c)
	return c:IsSetCard(SET_GOUKI) and not c:IsCode(id) and c:IsAbleToHand()
end
function s.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.thfilter,tp,LOCATION_DECK,0,1,nil) end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,tp,LOCATION_DECK)
end
function s.thop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectMatchingCard(tp,s.thfilter,tp,LOCATION_DECK,0,1,1,nil)
	if #g>0 then
		Duel.SendtoHand(g,nil,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,g)
	end
end