Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Monsters cannot attack the turn they are Summoned, except monsters whose original Level is 5 or higher. Once per turn, during your Main Phase: You can place 1 of your "Sanga of the Thunder", "Kazejin", or "Suijin" that is banished, or in your hand or Deck, face-up in your Spell & Trap Zone as a Continuous Spell. At the start of your opponent's Battle Phase: You can target 1 monster your opponent controls with less than 1600 ATK; destroy it.
--ラビリンス・ウォール・シャドウ
--Labyrinth Wall Shadow
--Scripted by Eerie Code
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	c:RegisterEffect(e1)
	--Monsters cannot attack the turn they are Summoned
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_FIELD)
	e2:SetCode(EFFECT_CANNOT_ATTACK)
	e2:SetRange(LOCATION_FZONE)
	e2:SetTargetRange(LOCATION_MZONE,LOCATION_MZONE)
	e2:SetTarget(s.limtg)
	c:RegisterEffect(e2)
	--Place 1 Sanga, Kazejin, or Suijin face-up in your S&T Zone as a Continuous Spell
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(id,0))
	e3:SetType(EFFECT_TYPE_IGNITION)
	e3:SetRange(LOCATION_FZONE)
	e3:SetCountLimit(1)
	e3:SetTarget(s.placetg)
	e3:SetOperation(s.placeop)
	c:RegisterEffect(e3)
	--Destroy 1 opponent's monster with less than 1600 ATK
	local e4=Effect.CreateEffect(c)
	e4:SetDescription(aux.Stringid(id,1))
	e4:SetCategory(CATEGORY_DESTROY)
	e4:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e4:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e4:SetCode(EVENT_PHASE|PHASE_BATTLE_START)
	e4:SetRange(LOCATION_FZONE)
	e4:SetCountLimit(1)
	e4:SetCondition(function(_,tp) return Duel.IsTurnPlayer(1-tp) end)
	e4:SetTarget(s.destg)
	e4:SetOperation(s.desop)
	c:RegisterEffect(e4)
end
s.listed_names=CARDS_SANGA_KAZEJIN_SUIJIN
function s.limtg(e,c)
	return c:IsStatus(STATUS_SUMMON_TURN|STATUS_FLIP_SUMMON_TURN|STATUS_SPSUMMON_TURN) and (c:GetOriginalLevel()<5 or not c:HasLevel())
end
function s.plfilter(c)
	return c:IsCode(CARDS_SANGA_KAZEJIN_SUIJIN) and not c:IsForbidden() and (c:IsFaceup() or not c:IsLocation(LOCATION_REMOVED))
end
function s.placetg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_SZONE)>0
		and Duel.IsExistingMatchingCard(s.plfilter,tp,LOCATION_REMOVED|LOCATION_HAND|LOCATION_DECK,0,1,nil) end
end
function s.placeop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_SZONE)<=0 then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TOFIELD)
	local tc=Duel.SelectMatchingCard(tp,s.plfilter,tp,LOCATION_REMOVED|LOCATION_HAND|LOCATION_DECK,0,1,1,nil):GetFirst()
	if tc and Duel.MoveToField(tc,tp,tp,LOCATION_SZONE,POS_FACEUP,true) then
		--Treated as a Continuous Spell
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
		e1:SetCode(EFFECT_CHANGE_TYPE)
		e1:SetValue(TYPE_SPELL+TYPE_CONTINUOUS)
		e1:SetReset(RESET_EVENT|RESETS_STANDARD)
		tc:RegisterEffect(e1)
	end
end
function s.desfilter(c)
	return c:IsFaceup() and c:GetAttack()<1600
end
function s.destg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_MZONE) and chkc:IsControler(1-tp) and s.desfilter(chkc) end
	if chk==0 then return Duel.IsExistingTarget(s.desfilter,tp,0,LOCATION_MZONE,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
	local g=Duel.SelectTarget(tp,s.desfilter,tp,0,LOCATION_MZONE,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,g,1,0,0)
end
function s.desop(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) then
		Duel.Destroy(tc,REASON_EFFECT)
	end
end