Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Banish 3 cards from the top of your Deck, face-down. During your 3rd Standby Phase after this card's activation, add all 3 cards to your hand. You can only activate 1 "Ledger of Legerdemain" per turn.
--予言通帳
--Ledger of Legerdemain
--fixed by Larry126
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_REMOVE+CATEGORY_TOHAND)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetCountLimit(1,id,EFFECT_COUNT_CODE_OATH)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	local g=Duel.GetDecktopGroup(tp,3)
	if chk==0 then return g:FilterCount(Card.IsAbleToRemove,nil,tp,POS_FACEDOWN)==3 end
	Duel.SetOperationInfo(0,CATEGORY_REMOVE,nil,3,tp,LOCATION_DECK)
	Duel.SetPossibleOperationInfo(0,CATEGORY_TOHAND,nil,3,tp,LOCATION_REMOVED)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetFieldGroupCount(tp,LOCATION_DECK,0)<3 then return end
	local g=Duel.GetDecktopGroup(tp,3)
	Duel.DisableShuffleCheck()
	if Duel.Remove(g,POS_FACEDOWN,REASON_EFFECT)~=3 or not e:IsHasType(EFFECT_TYPE_ACTIVATE) then return end
	g:KeepAlive()
	local c=e:GetHandler()
	c:SetTurnCounter(0)
	local fid=Duel.GetTurnCount()
	for tc in aux.Next(g) do
		tc:RegisterFlagEffect(id,RESET_EVENT|RESETS_STANDARD,0,1,fid)
	end
	--Add those 3 cards to the hand
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
	e1:SetProperty(EFFECT_FLAG_IGNORE_IMMUNE)
	e1:SetCode(EVENT_PHASE|PHASE_STANDBY)
	e1:SetCountLimit(1)
	e1:SetLabel(fid)
	e1:SetLabelObject(g)
	e1:SetCondition(function(e,tp) return Duel.IsTurnPlayer(tp) end)
	e1:SetOperation(s.thop)
	e1:SetReset(RESET_PHASE|PHASE_STANDBY|RESET_SELF_TURN,3)
	Duel.RegisterEffect(e1,tp)
end
function s.thfilter(c,fid)
	return c:GetFlagEffectLabel(id)==fid
end
function s.thop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local ct=e:GetLabel()
	if ct+6==Duel.GetTurnCount() then
		local g=e:GetLabelObject():Filter(s.thfilter,nil,e:GetLabel())
		if g and #g==3 then
			Duel.SendtoHand(g,nil,REASON_EFFECT)
		end
	end
end