Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Cannot be Special Summoned from the Deck. If you control no monsters, you can Normal Summon this card without Tributing. Cannot be destroyed by battle or card effects. You take no battle damage from attacks involving this card. At the end of the Battle Phase, if this card battled: Inflict damage to your opponent equal to the ATK of 1 monster your opponent controls that battled this card this turn. Once per turn, during your Standby Phase: Shuffle this card into the Deck.
--時械神 ラフィオン
--Raphion, the Timelord
--Scripted by ahtelel
local s,id=GetID()
function s.initial_effect(c)
	--cannot special summon
	local e1=Effect.CreateEffect(c)
	e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_UNCOPYABLE+EFFECT_FLAG_SINGLE_RANGE)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetRange(LOCATION_DECK)
	e1:SetCode(EFFECT_SPSUMMON_CONDITION)
	c:RegisterEffect(e1)
	--summon
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_UNCOPYABLE)
	e2:SetType(EFFECT_TYPE_SINGLE)
	e2:SetCode(EFFECT_SUMMON_PROC)
	e2:SetRange(LOCATION_HAND)
	e2:SetCondition(s.spcon)
	c:RegisterEffect(e2)
	--indes
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_SINGLE)
	e3:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e3:SetRange(LOCATION_MZONE)
	e3:SetCode(EFFECT_INDESTRUCTABLE_BATTLE)
	e3:SetValue(1)
	c:RegisterEffect(e3)
	local e4=e3:Clone()
	e4:SetCode(EFFECT_INDESTRUCTABLE_EFFECT)
	c:RegisterEffect(e4)
	--damage val
	local e5=e3:Clone()
	e5:SetCode(EFFECT_AVOID_BATTLE_DAMAGE)
	c:RegisterEffect(e5)
	--LP
	local e6=Effect.CreateEffect(c)
	e6:SetCategory(CATEGORY_DAMAGE)
	e6:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e6:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_F)
	e6:SetCode(EVENT_PHASE|PHASE_BATTLE)
	e6:SetCountLimit(1)
	e6:SetRange(LOCATION_MZONE)
	e6:SetCondition(s.damcon)
	e6:SetTarget(s.damtg)
	e6:SetOperation(s.damop)
	c:RegisterEffect(e6)
	--to deck
	local e7=Effect.CreateEffect(c)
	e7:SetDescription(aux.Stringid(id,1))
	e7:SetCategory(CATEGORY_TODECK)
	e7:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_F)
	e7:SetCode(EVENT_PHASE|PHASE_STANDBY)
	e7:SetProperty(EFFECT_FLAG_REPEAT)
	e7:SetCountLimit(1)
	e7:SetRange(LOCATION_MZONE)
	e7:SetCondition(s.tdcon)
	e7:SetTarget(s.tdtg)
	e7:SetOperation(s.tdop)
	c:RegisterEffect(e7)
end
function s.spcon(e,c)
	if c==nil then return true end
	return Duel.GetFieldGroupCount(c:GetControler(),LOCATION_MZONE,0)==0
		and Duel.GetLocationCount(c:GetControler(),LOCATION_MZONE)>0
end
function s.damfilter(c,e)
	return c:IsFaceup() and e:GetHandler():GetBattledGroup():IsContains(c)
end
function s.damcon(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():GetBattledGroupCount()>0
end
function s.damtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
end
function s.damop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_FACEUP)
	local g=Duel.GetMatchingGroup(s.damfilter,tp,0,LOCATION_MZONE,nil,e)
	if #g>1 then g=g:Select(tp,1,1,nil) end
	local tc=g:GetFirst()
	if tc and c:IsRelateToEffect(e) then
		local atk=tc:GetAttack()
		Duel.Damage(1-tp,atk,REASON_EFFECT)
	end
end
function s.tdcon(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsTurnPlayer(tp)
end
function s.tdtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetOperationInfo(0,CATEGORY_TODECK,e:GetHandler(),1,0,0)
end
function s.tdop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsRelateToEffect(e) and c:IsFaceup() and c:IsAbleToDeck() then
		Duel.SendtoDeck(c,nil,SEQ_DECKSHUFFLE,REASON_EFFECT)
	end
end