Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Special Summon 1 "Gladiator Beast" monster from your hand or GY, with a different Type from the monsters you control. It cannot be destroyed by battle.
--再起する剣闘獣
--Gladiator Beast's Comeback
--Scripted by AlphaKretin
local s,id=GetID()
function s.initial_effect(c)
	--Special summon 1 "Gladiator Beast" monster from hand or GY
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetTarget(s.sptg)
	e1:SetOperation(s.spop)
	c:RegisterEffect(e1)
end
s.listed_series={SET_GLADIATOR}
function s.spfilter(c,e,tp)
	return c:IsSetCard(SET_GLADIATOR) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
		and not Duel.IsExistingMatchingCard(aux.FaceupFilter(Card.IsRace,c:GetRace()),tp,LOCATION_MZONE,0,1,nil)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingMatchingCard(s.spfilter,tp,LOCATION_HAND|LOCATION_GRAVE,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_HAND|LOCATION_GRAVE)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectMatchingCard(tp,aux.NecroValleyFilter(s.spfilter),tp,LOCATION_HAND|LOCATION_GRAVE,0,1,1,nil,e,tp)
	if #g>0 and Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)~=0 then
		--Cannot be destroyed by battle
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetDescription(3000)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetProperty(EFFECT_FLAG_CLIENT_HINT)
		e1:SetCode(EFFECT_INDESTRUCTABLE_BATTLE)
		e1:SetValue(1)
		e1:SetReset(RESET_EVENT|RESETS_STANDARD)
		g:GetFirst():RegisterEffect(e1)
	end
end