Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Once per turn: You can send 1 "Spellbook" Spell Card from your Deck to the Graveyard. During the End Phase of the turn this card activated this effect: You can Tribute this card; Special Summon 1 Level 5 or higher DARK Spellcaster-Type monster from your Deck. You must have 5 or more "Spellbook" Spell Cards with different names in your Graveyard to activate and to resolve this effect.
--魔導化士 マット
--Fool of Prophecy
local s,id=GetID()
function s.initial_effect(c)
	--to grave
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_TOGRAVE)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetCountLimit(1)
	e1:SetRange(LOCATION_MZONE)
	e1:SetTarget(s.sgtg)
	e1:SetOperation(s.sgop)
	c:RegisterEffect(e1)
	--spsummon
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e2:SetCode(EVENT_PHASE+PHASE_END)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCondition(s.spcon)
	e2:SetCost(Cost.SelfTribute)
	e2:SetTarget(s.sptg)
	e2:SetOperation(s.spop)
	c:RegisterEffect(e2)
end
s.listed_series={SET_SPELLBOOK}
function s.filter(c)
	return c:IsSetCard(SET_SPELLBOOK) and c:IsSpell() and c:IsAbleToGrave()
end
function s.sgtg(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_TOGRAVE,nil,1,tp,LOCATION_DECK)
	e:GetHandler():RegisterFlagEffect(id,RESETS_STANDARD_PHASE_END,0,1)
end
function s.sgop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TOGRAVE)
	local g=Duel.SelectMatchingCard(tp,s.filter,tp,LOCATION_DECK,0,1,1,nil)
	if #g>0 then 
		Duel.SendtoGrave(g,REASON_EFFECT)
	end
end
function s.cfilter(c)
	return c:IsSetCard(SET_SPELLBOOK) and c:IsSpell()
end
function s.spcon(e,tp,eg,ep,ev,re,r,rp)
	if e:GetHandler():GetFlagEffect(id)==0 then return false end
	local g=Duel.GetMatchingGroup(s.cfilter,tp,LOCATION_GRAVE,0,nil)
	return g:GetClassCount(Card.GetCode)>=5
end
function s.spfilter(c,e,tp)
	return c:IsRace(RACE_SPELLCASTER) and c:IsAttribute(ATTRIBUTE_DARK)
		and c:IsLevelAbove(5) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	local ft=Duel.GetLocationCount(tp,LOCATION_MZONE)
	if e:GetHandler():GetSequence()<5 then ft=ft+1 end
	if chk==0 then return ft>0 and Duel.IsExistingMatchingCard(s.spfilter,tp,LOCATION_DECK,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_DECK)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectMatchingCard(tp,s.spfilter,tp,LOCATION_DECK,0,1,1,nil,e,tp)
	if #g>0 then 
		Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
	end
end