Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Cannot be used as material for an Xyz Summon, except for an Xyz Summon that uses 3 or more monsters as material. If you Normal or Special Summon a "Star Seraph" monster(s), except during the Damage Step: You can Special Summon this card from your hand, and if you do, draw 1 card, then you can Special Summon it if it is a "Star Seraph" monster.
--光天使スローネ
--Star Seraph Sovereignty
local s,id=GetID()
function s.initial_effect(c)
	--xyz
	local e1=Effect.CreateEffect(c)
	e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_UNCOPYABLE)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_STAR_SERAPH_SOVEREIGNTY)
	e1:SetValue(0x30003) --0x1 >, 0x2 =, 0x4 <, value == last digit(s)
	c:RegisterEffect(e1)
	--spsummon
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e2:SetProperty(EFFECT_FLAG_DELAY)
	e2:SetCode(EVENT_SUMMON_SUCCESS)
	e2:SetRange(LOCATION_HAND)
	e2:SetCondition(s.spcon)
	e2:SetTarget(s.sptg)
	e2:SetOperation(s.spop)
	c:RegisterEffect(e2)
	local e3=e2:Clone()
	e3:SetCode(EVENT_SPSUMMON_SUCCESS)
	c:RegisterEffect(e3)
end
s.listed_series={SET_STAR_SERAPH}
function s.cfilter(c,tp)
	return c:IsFaceup() and c:IsSetCard(SET_STAR_SERAPH) and c:IsSummonPlayer(tp)
end
function s.spcon(e,tp,eg,ep,ev,re,r,rp)
	return eg:IsExists(s.cfilter,1,nil,tp)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsPlayerCanDraw(tp,1)
		and Duel.GetLocationCount(tp,LOCATION_MZONE)>0 and e:GetHandler():IsCanBeSpecialSummoned(e,0,tp,false,false) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,e:GetHandler(),1,0,0)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return end
	local c=e:GetHandler()
	if c:IsRelateToEffect(e) and Duel.SpecialSummon(c,0,tp,tp,false,false,POS_FACEUP)~=0 then
		if Duel.Draw(tp,1,REASON_EFFECT)==0 then return end
		local dc=Duel.GetOperatedGroup():GetFirst()
		if dc:IsSetCard(SET_STAR_SERAPH) and dc:IsCanBeSpecialSummoned(e,0,tp,false,false)
			and Duel.GetLocationCount(tp,LOCATION_MZONE)>0 and Duel.SelectYesNo(tp,aux.Stringid(id,1)) then
			Duel.BreakEffect()
			Duel.SpecialSummon(dc,0,tp,tp,false,false,POS_FACEUP)
		end
	end
end