Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
[ Pendulum Effect ] You can discard 1 card; add 1 face-up Dragon Pendulum Monster from your Extra Deck to your hand. You can only use this effect of "Odd-Eyes Phantasma Dragon" once per turn. ---------------------------------------- [ Monster Effect ] If you have 2 cards in your Pendulum Zones and a face-up "Odd-Eyes" Pendulum Monster in your Extra Deck: You can Special Summon this card from your hand. You cannot Pendulum Summon the turn you activate this effect. During damage calculation, if this card attacks an opponent's monster: You can make that opponent's monster lose 1000 ATK for each face-up Pendulum Monster in your Extra Deck, during damage calculation only. You can only use each effect of "Odd-Eyes Phantasma Dragon" once per turn.
--オッドアイズ・ファンタズマ・ドラゴン
--Odd-Eyes Phantasma Dragon
--scripted by Naim
local s,id=GetID()
function s.initial_effect(c)
	--pendulum summon
	Pendulum.AddProcedure(c)
	--to hand
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_TOHAND)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_PZONE)
	e1:SetCountLimit(1,id)
	e1:SetCost(s.thcost)
	e1:SetTarget(s.thtg)
	e1:SetOperation(s.thop)
	c:RegisterEffect(e1)
	--special summon from hand
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetRange(LOCATION_HAND)
	e2:SetCountLimit(1,{id,1})
	e2:SetCondition(s.spcon)
	e2:SetCost(s.spcost)
	e2:SetTarget(s.sptg)
	e2:SetOperation(s.spop)
	c:RegisterEffect(e2)
	--atk up
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(id,2))
	e3:SetCategory(CATEGORY_ATKCHANGE)
	e3:SetType(EFFECT_TYPE_TRIGGER_O+EFFECT_TYPE_SINGLE)
	e3:SetCode(EVENT_PRE_DAMAGE_CALCULATE)
	e3:SetRange(LOCATION_MZONE)
	e3:SetCountLimit(1,{id,2})
	e3:SetCondition(s.atkcon)
	e3:SetOperation(s.atkop)
	c:RegisterEffect(e3)
	Duel.AddCustomActivityCounter(id,ACTIVITY_SPSUMMON,s.counterfilter)
end
s.listed_series={SET_ODD_EYES}
function s.counterfilter(c)
	return not c:IsPendulumSummoned()
end
function s.thcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(Card.IsDiscardable,tp,LOCATION_HAND,0,1,nil) end
	Duel.DiscardHand(tp,Card.IsDiscardable,1,1,REASON_COST|REASON_DISCARD)
end
function s.thfilter(c)
	return c:IsFaceup() and c:IsRace(RACE_DRAGON) and c:IsAbleToHand()
end
function s.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.thfilter,tp,LOCATION_EXTRA,0,1,nil) end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,tp,LOCATION_EXTRA)
end
function s.thop(e,tp,eg,ep,ev,re,r,rp)
	if not e:GetHandler():IsRelateToEffect(e) then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectMatchingCard(tp,s.thfilter,tp,LOCATION_EXTRA,0,1,1,nil)
	if #g>0 then
		Duel.SendtoHand(g,nil,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,g)
	end
end
function s.exfilter(c)
	return c:IsFaceup() and c:IsSetCard(SET_ODD_EYES) and c:IsType(TYPE_PENDULUM)
end
function s.spcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetCustomActivityCount(id,tp,ACTIVITY_SPSUMMON)==0 end
	local e1=Effect.CreateEffect(e:GetHandler())
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetCode(EFFECT_CANNOT_SPECIAL_SUMMON)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET+EFFECT_FLAG_CLIENT_HINT)
	e1:SetDescription(aux.Stringid(id,3))
	e1:SetReset(RESET_PHASE|PHASE_END)
	e1:SetTarget(s.splimit)
	e1:SetTargetRange(1,0)
	Duel.RegisterEffect(e1,tp)
end
function s.splimit(e,c,sump,sumtype,sumpos,targetp,se)
	return sumtype & SUMMON_TYPE_PENDULUM==SUMMON_TYPE_PENDULUM
end
function s.spcon(e,tp,eg,ep,ev,re,r,rp)
	return Duel.GetFieldCard(tp,LOCATION_PZONE,0) and Duel.GetFieldCard(tp,LOCATION_PZONE,1)
		and Duel.IsExistingMatchingCard(s.exfilter,tp,LOCATION_EXTRA,0,1,nil)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and e:GetHandler():IsCanBeSpecialSummoned(e,0,tp,false,false) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,e:GetHandler(),1,0,0)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if not c:IsRelateToEffect(e) then return end
	Duel.SpecialSummon(c,0,tp,tp,false,false,POS_FACEUP)
end
function s.atkcon(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local d=c:GetBattleTarget()
	local gc=Duel.GetMatchingGroupCount(aux.FaceupFilter(Card.IsType,TYPE_PENDULUM),tp,LOCATION_EXTRA,0,nil)
	return c==Duel.GetAttacker() and d and d:IsFaceup() and not d:IsControler(tp) and gc>0
end
function s.atkop(e,tp,eg,ep,ev,re,r,rp)
	local d=Duel.GetAttacker():GetBattleTarget()
	local gc=Duel.GetMatchingGroupCount(aux.FaceupFilter(Card.IsType,TYPE_PENDULUM),tp,LOCATION_EXTRA,0,nil)
	if d:IsRelateToBattle() and d:IsFaceup() then
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_UPDATE_ATTACK)
		e1:SetReset(RESET_PHASE|PHASE_DAMAGE_CAL)
		e1:SetValue(-gc*1000)
		d:RegisterEffect(e1)
	end
end