Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
1 Dragon Tuner + 1+ non-Tuner Winged Beast monsters Once per battle, if this card battles, during the Damage Step (Quick Effect): You can banish 1 Winged Beast monster from your GY; this card gains that monster's original ATK until the end of this turn.
--ドラグニティナイト－ゲイボルグ
--Dragunity Knight - Gae Bulg
local s,id=GetID()
function s.initial_effect(c)
	--synchro summon
	Synchro.AddProcedure(c,aux.FilterBoolFunctionEx(Card.IsRace,RACE_DRAGON),1,1,Synchro.NonTunerEx(Card.IsRace,RACE_WINGEDBEAST),1,99)
	c:EnableReviveLimit()
	--search
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_ATKCHANGE)
	e1:SetType(EFFECT_TYPE_QUICK_O)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetHintTiming(TIMING_DAMAGE_STEP)
	e1:SetProperty(EFFECT_FLAG_DAMAGE_STEP)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCondition(s.condition)
	e1:SetCost(s.cost)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
end
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local ph=Duel.GetCurrentPhase()
	return ph==PHASE_DAMAGE and (c==Duel.GetAttacker() or c==Duel.GetAttackTarget())
		and not Duel.IsDamageCalculated()
end
function s.cfilter(c)
	return c:IsRace(RACE_WINGEDBEAST) and c:IsAbleToRemoveAsCost() and aux.SpElimFilter(c,true)
end
function s.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return e:GetHandler():GetFlagEffect(id)==0
		and Duel.IsExistingMatchingCard(s.cfilter,tp,LOCATION_MZONE|LOCATION_GRAVE,0,1,e:GetHandler()) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_REMOVE)
	local g=Duel.SelectMatchingCard(tp,s.cfilter,tp,LOCATION_MZONE|LOCATION_GRAVE,0,1,1,e:GetHandler())
	e:SetLabel(g:GetFirst():GetAttack())
	Duel.Remove(g,POS_FACEUP,REASON_COST)
	e:GetHandler():RegisterFlagEffect(id,RESET_PHASE|PHASE_DAMAGE,0,1)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsFaceup() and c:IsRelateToEffect(e) then
		local e1=Effect.CreateEffect(c)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_UPDATE_ATTACK)
		e1:SetValue(e:GetLabel())
		e1:SetReset(RESETS_STANDARD_DISABLE_PHASE_END)
		c:RegisterEffect(e1)
	end
end