Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
2+ "Gouki" monsters Gains 300 ATK for each monster it points to. Once per turn: You can Tribute 1 monster this card points to on either field; this card can make a second attack during each Battle Phase this turn.
--剛鬼ザ・ブレード・オーガ
--Gouki The Blade Ogre
local s,id=GetID()
function s.initial_effect(c)
	--Must be properly summoned before reviving
	c:EnableReviveLimit()
	--Link summon procedure
	Link.AddProcedure(c,aux.FilterBoolFunctionEx(Card.IsSetCard,SET_GOUKI),2)
	--Gains 300 ATK for each monster it points to
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_UPDATE_ATTACK)
	e1:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e1:SetRange(LOCATION_MZONE)
	e1:SetValue(s.atkval)
	c:RegisterEffect(e1)
	--Make a second attack
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCountLimit(1)
	e2:SetCondition(s.atkcon)
	e2:SetCost(s.atkcost)
	e2:SetOperation(s.atkop)
	c:RegisterEffect(e2)
end
s.listed_series={SET_GOUKI}
function s.atkval(e,c)
	return c:GetLinkedGroup():FilterCount(Card.IsMonster,nil)*300
end
function s.atkcon(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsAbleToEnterBP()
end
function s.cfilter(c,g)
	return g:IsContains(c) and c:IsReleasable()
end
function s.atkcost(e,tp,eg,ep,ev,re,r,rp,chk)
	local lg=e:GetHandler():GetLinkedGroup()
	local rg=Duel.GetMatchingGroup(s.cfilter,tp,LOCATION_MZONE,LOCATION_MZONE,nil,lg)
	if chk==0 then return #rg>0 end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_RELEASE)
	local g=rg:Select(tp,1,1,nil)
	Duel.Release(g,REASON_COST)
end
function s.atkop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsRelateToEffect(e) then
		--Make a second attack
		local e1=Effect.CreateEffect(c)
		e1:SetDescription(3201)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_CLIENT_HINT)
		e1:SetCode(EFFECT_EXTRA_ATTACK)
		e1:SetValue(1)
		e1:SetReset(RESETS_STANDARD_PHASE_END)
		c:RegisterEffect(e1)
	end
end