Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
[ Pendulum Effect ] Once per turn, if a Normal Monster you control destroys an opponent's monster by battle, after damage calculation: You can add 1 Level 4 or higher Normal Monster from your Deck to your hand. ---------------------------------------- [ Flavor Text ] Armed with muskets and iron spears, these mounted land troops of the Draconia Empire are feared by the Reptier Kingdom and other bordering nations.
--ドラコニアの獣竜騎兵
--Dragoons of Draconia
local s,id=GetID()
function s.initial_effect(c)
	--pendulum summon
	Pendulum.AddProcedure(c)
	--to hand
	local e2=Effect.CreateEffect(c)
	e2:SetCategory(CATEGORY_TOHAND+CATEGORY_SEARCH)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e2:SetCode(EVENT_BATTLED)
	e2:SetRange(LOCATION_PZONE)
	e2:SetCountLimit(1)
	e2:SetCondition(s.thcon)
	e2:SetTarget(s.thtg)
	e2:SetOperation(s.thop)
	c:RegisterEffect(e2)
end
function s.thcon(e,tp,eg,ep,ev,re,r,rp)
	local a=Duel.GetAttacker()
	local d=Duel.GetAttackTarget()
	if not d then return false end
	if d:IsControler(tp) then a,d=d,a end
	return a:IsType(TYPE_NORMAL)
		and not a:IsStatus(STATUS_BATTLE_DESTROYED) and d:IsStatus(STATUS_BATTLE_DESTROYED)
end
function s.filter(c)
	return c:IsType(TYPE_NORMAL) and c:IsLevelAbove(4) and c:IsAbleToHand()
end
function s.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.filter,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)
	if not e:GetHandler():IsRelateToEffect(e) then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectMatchingCard(tp,s.filter,tp,LOCATION_DECK,0,1,1,nil)
	if #g>0 then
		Duel.SendtoHand(g,nil,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,g)
	end
end