Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Once per turn: You can pay 500 LP; add 1 "Volcanic Shell" from your Deck to your hand. This card must be in the GY to activate and to resolve this effect.
--ヴォルカニック・バレット
--Volcanic Shell
local s,id=GetID()
function s.initial_effect(c)
	--search
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_TOHAND+CATEGORY_SEARCH)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_GRAVE)
	e1:SetCountLimit(1)
	e1:SetCost(Cost.PayLP(500))
	e1:SetTarget(s.tg)
	e1:SetOperation(s.op)
	c:RegisterEffect(e1)
end
s.listed_names={id}
function s.filter(c)
	return c:IsCode(id) and c:IsAbleToHand()
end
function s.tg(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.op(e,tp,eg,ep,ev,re,r,rp)
	if not e:GetHandler():IsLocation(LOCATION_GRAVE) then return end
	local tc=Duel.GetFirstMatchingCard(s.filter,tp,LOCATION_DECK,0,nil)
	if tc then
		Duel.SendtoHand(tc,nil,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,tc)
	end
end