Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
2 Spellcaster monsters If this card is Link Summoned: You can reveal 3 "Spellbook" cards with different names from your Deck, and your opponent randomly picks 1 for you to add to your hand, also shuffle the rest into your Deck. You can only use this effect of "Crowley, the First Propheseer" once per turn. Each turn, 1 Level 5 or higher Spellcaster monster you Normal Summon can be Summoned without Tributing.
--魔導原典 クロウリー
--Crowley, the First Propheseer
--Scripted by Eerie Code
local s,id=GetID()
function s.initial_effect(c)
	c:EnableReviveLimit()
	Link.AddProcedure(c,aux.FilterBoolFunctionEx(Card.IsRace,RACE_SPELLCASTER),2,2)
	--to hand
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_TOHAND+CATEGORY_SEARCH)
	e1:SetType(EFFECT_TYPE_TRIGGER_O+EFFECT_TYPE_SINGLE)
	e1:SetCode(EVENT_SPSUMMON_SUCCESS)
	e1:SetCountLimit(1,id)
	e1:SetCondition(s.thcon)
	e1:SetTarget(s.thtg)
	e1:SetOperation(s.thop)
	c:RegisterEffect(e1)
	--decrease tribute
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetType(EFFECT_TYPE_FIELD)
	e2:SetCode(EFFECT_SUMMON_PROC)
	e2:SetRange(LOCATION_MZONE)
	e2:SetTargetRange(LOCATION_HAND,0)
	e2:SetCountLimit(1)
	e2:SetCondition(s.ntcon)
	e2:SetTarget(aux.FieldSummonProcTg(s.nttg))
	c:RegisterEffect(e2)
end
s.listed_series={SET_SPELLBOOK}
function s.thcon(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():IsLinkSummoned()
end
function s.thfilter(c)
	return c:IsSetCard(SET_SPELLBOOK) and c:IsAbleToHand()
end
function s.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then
		local dg=Duel.GetMatchingGroup(s.thfilter,tp,LOCATION_DECK,0,nil)
		return dg:GetClassCount(Card.GetCode)>=3
	end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,tp,LOCATION_DECK)
end
function s.thop(e,tp,eg,ep,ev,re,r,rp)
	local g=Duel.GetMatchingGroup(s.thfilter,tp,LOCATION_DECK,0,nil)
	if g:GetClassCount(Card.GetCode)>=3 then
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_CONFIRM)
		local sg1=g:Select(tp,1,1,nil)
		g:Remove(Card.IsCode,nil,sg1:GetFirst():GetCode())
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_CONFIRM)
		local sg2=g:Select(tp,1,1,nil)
		g:Remove(Card.IsCode,nil,sg2:GetFirst():GetCode())
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_CONFIRM)
		local sg3=g:Select(tp,1,1,nil)
		sg1:Merge(sg2)
		sg1:Merge(sg3)
		Duel.ConfirmCards(1-tp,sg1)
		Duel.ShuffleDeck(tp)
		Duel.Hint(HINT_SELECTMSG,1-tp,HINTMSG_ATOHAND)
		local cg=sg1:Select(1-tp,1,1,nil)
		local tc=cg:GetFirst()
		Duel.SendtoHand(tc,nil,REASON_EFFECT)
	end
end
function s.ntcon(e,c,minc)
	if c==nil then return true end
	return minc==0 and Duel.GetLocationCount(c:GetControler(),LOCATION_MZONE)>0
end
function s.nttg(e,c)
	return c:IsLevelAbove(5) and c:IsRace(RACE_SPELLCASTER)
end