Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
During the End Phase, if this card was sent from your side of the field to your Graveyard this turn: You can add 1 "X-Saber" monster from your Deck to your hand.
--XX－セイバー ダークソウル
--XX-Saber Darksoul
local s,id=GetID()
function s.initial_effect(c)
	--to grave
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_CONTINUOUS)
	e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
	e1:SetCode(EVENT_TO_GRAVE)
	e1:SetOperation(s.regop)
	c:RegisterEffect(e1)
end
s.listed_series={SET_X_SABER}
function s.regop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsPreviousControler(tp) and c:IsPreviousLocation(LOCATION_ONFIELD) then
		local e1=Effect.CreateEffect(c)
		e1:SetDescription(aux.Stringid(id,0))
		e1:SetCategory(CATEGORY_TOHAND+CATEGORY_SEARCH)
		e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
		e1:SetCode(EVENT_PHASE+PHASE_END)
		e1:SetCountLimit(1)
		e1:SetRange(LOCATION_GRAVE)
		e1:SetTarget(s.thtg)
		e1:SetOperation(s.thop)
		e1:SetReset(RESETS_STANDARD_PHASE_END)
		c:RegisterEffect(e1)
	end
end
function s.filter(c)
	return c:IsSetCard(SET_X_SABER) and c:IsMonster() 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)
	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