Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
2 Level 8 Dragon monsters Cannot attack directly unless this card has a Normal Monster as material. You can only use each of the following effects of "Indigo-Eyes Silver Dragon" once per turn. If this card is Xyz Summoned: You can negate the effects of all face-up cards your opponent currently controls. You can detach 1 material from this card, then target 1 Normal Monster in your GY or banishment; Special Summon it, and if you do, it gains 1000 ATK.
--藍眼の銀龍
--Indigo-Eyes Silver Dragon
--Scripted by Eerie Code
local s,id=GetID()
function s.initial_effect(c)
	c:EnableReviveLimit()
	--Xyz Summon procedure: 2 Level 8 Dragon monsters
	Xyz.AddProcedure(c,aux.FilterBoolFunctionEx(Card.IsRace,RACE_DRAGON),8,2)
	--Cannot attack directly unless it has a Normal Monster as material
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_CANNOT_DIRECT_ATTACK)
	e1:SetCondition(function(e) return not e:GetHandler():GetOverlayGroup():IsExists(Card.IsType,1,nil,TYPE_NORMAL) end)
	c:RegisterEffect(e1)
	--Negate the effects of all face-up cards your opponent currently controls
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetCategory(CATEGORY_DISABLE)
	e2:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e2:SetProperty(EFFECT_FLAG_DELAY)
	e2:SetCode(EVENT_SPSUMMON_SUCCESS)
	e2:SetCountLimit(1,{id,0})
	e2:SetCondition(function(e) return e:GetHandler():IsXyzSummoned() end)
	e2:SetTarget(s.negtg)
	e2:SetOperation(s.negop)
	c:RegisterEffect(e2)
	--Special Summon 1 Normal Monster in your GY or banishment
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(id,1))
	e3:SetCategory(CATEGORY_SPECIAL_SUMMON+CATEGORY_ATKCHANGE)
	e3:SetType(EFFECT_TYPE_IGNITION)
	e3:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e3:SetRange(LOCATION_MZONE)
	e3:SetCountLimit(1,{id,1})
	e3:SetCost(Cost.DetachFromSelf(1,1))
	e3:SetTarget(s.sptg)
	e3:SetOperation(s.spop)
	c:RegisterEffect(e3)
end
function s.negtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(Card.IsNegatable,tp,0,LOCATION_ONFIELD,1,nil) end
	local g=Duel.GetMatchingGroup(Card.IsNegatable,tp,0,LOCATION_ONFIELD,nil)
	Duel.SetOperationInfo(0,CATEGORY_DISABLE,g,#g,tp,0)
end
function s.negop(e,tp,eg,ep,ev,re,r,rp)
	local g=Duel.GetMatchingGroup(Card.IsNegatable,tp,0,LOCATION_ONFIELD,nil)
	if #g==0 then return end
	local c=e:GetHandler()
	for tc in g:Iter() do
		--Negate their effects
		tc:NegateEffects(c,nil,true)
	end
end
function s.spfilter(c,e,tp)
	return c:IsType(TYPE_NORMAL) and c:IsFaceup() and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_GRAVE|LOCATION_REMOVED) and chkc:IsControler(tp) and s.spfilter(chkc,e,tp) end
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingTarget(s.spfilter,tp,LOCATION_GRAVE|LOCATION_REMOVED,0,1,nil,e,tp) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectTarget(tp,s.spfilter,tp,LOCATION_GRAVE|LOCATION_REMOVED,0,1,1,nil,e,tp)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,g,1,tp,0)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) and Duel.SpecialSummon(tc,0,tp,tp,false,false,POS_FACEUP)>0 then
		--It gains 1000 ATK
		tc:UpdateAttack(1000,RESET_EVENT|RESETS_STANDARD,e:GetHandler())
	end
end