Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
You can target 2 Winged Beast Xyz Monsters you control; attach 1 of those monsters to the other as material. (Transfer its materials to that monster.) If you control an Xyz Monster with 3 or more materials: You can draw 1 card. You can only use each effect of "Lyrilusc - Bird Sanctuary" once per turn.
--ＬＬ－バード・サンクチュアリ
--Lyrilusc - Bird Sanctuary
--Scripted by Eerie Code
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	c:RegisterEffect(e1)
	--Attach
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e2:SetRange(LOCATION_SZONE)
	e2:SetCountLimit(1,id)
	e2:SetTarget(s.xyztg)
	e2:SetOperation(s.xyzop)
	c:RegisterEffect(e2)
	--draw
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(id,1))
	e3:SetCategory(CATEGORY_DRAW)
	e3:SetType(EFFECT_TYPE_IGNITION)
	e3:SetRange(LOCATION_SZONE)
	e3:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e3:SetCountLimit(1,{id,1})
	e3:SetCondition(s.drcon)
	e3:SetTarget(s.drtg)
	e3:SetOperation(s.drop)
	c:RegisterEffect(e3)
end
function s.xyzfilter(c)
	return c:IsFaceup() and c:IsType(TYPE_XYZ) and c:IsRace(RACE_WINGEDBEAST)
end
function s.xyztg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return false end
	if chk==0 then return Duel.IsExistingTarget(s.xyzfilter,tp,LOCATION_MZONE,0,2,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,aux.Stringid(id,2))
	local g1=Duel.SelectTarget(tp,s.xyzfilter,tp,LOCATION_MZONE,0,1,1,nil)
	e:SetLabelObject(g1:GetFirst())
	Duel.Hint(HINT_SELECTMSG,tp,aux.Stringid(id,3))
	local g2=Duel.SelectTarget(tp,s.xyzfilter,tp,LOCATION_MZONE,0,1,1,g1:GetFirst())
end
function s.xyzop(e,tp,eg,ep,ev,re,r,rp)
	if not e:GetHandler():IsRelateToEffect(e) then return end
	local g=Duel.GetTargetCards(e)
	if #g~=2 then return end
	local tc=g:GetFirst()
	local xc=g:GetNext()
	if tc:IsImmuneToEffect(e) or xc:IsImmuneToEffect(e) then return end
	if xc==e:GetLabelObject() then tc,xc=xc,tc end
	Duel.Overlay(tc,xc)
end
function s.drcfilter(c)
	return c:IsFaceup() and c:IsType(TYPE_XYZ) and c:GetOverlayCount()>=3
end
function s.drcon(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsExistingMatchingCard(s.drcfilter,tp,LOCATION_MZONE,0,1,nil)
end
function s.drtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsPlayerCanDraw(tp,1) end
	Duel.SetTargetPlayer(tp)
	Duel.SetTargetParam(1)
	Duel.SetOperationInfo(0,CATEGORY_DRAW,nil,0,tp,1)
end
function s.drop(e,tp,eg,ep,ev,re,r,rp)
	if not e:GetHandler():IsRelateToEffect(e) then return end
	local p,d=Duel.GetChainInfo(0,CHAININFO_TARGET_PLAYER,CHAININFO_TARGET_PARAM)
	Duel.Draw(p,d,REASON_EFFECT)
end