Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
This card cannot be Normal Summoned or Set. This card can only be Special Summoned by removing from play 2 Beast-Warrior-Type monsters in your Graveyard. Once per turn, you can discard 1 Beast-Warrior-Type monster to activate 1 of the following effects: ● Double this card's ATK until the End Phase. ● This card can attack your opponent directly this turn.
--ピューマン
--Akz, the Pumer
local s,id=GetID()
function s.initial_effect(c)
	c:EnableReviveLimit()
	--special summon
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetCode(EFFECT_SPSUMMON_PROC)
	e1:SetProperty(EFFECT_FLAG_UNCOPYABLE)
	e1:SetRange(LOCATION_HAND)
	e1:SetCondition(s.spcon)
	e1:SetTarget(s.sptg)
	e1:SetOperation(s.spop)
	c:RegisterEffect(e1)
	--effect
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCountLimit(1)
	e2:SetCost(s.cost)
	e2:SetTarget(s.target)
	e2:SetOperation(s.operation)
	c:RegisterEffect(e2)
end
function s.spfilter(c)
	return c:IsRace(RACE_BEASTWARRIOR) and c:IsAbleToRemoveAsCost() and aux.SpElimFilter(c,true)
end
function s.spcon(e,c)
	if c==nil then return true end
	local tp=e:GetHandlerPlayer()
	local rg=Duel.GetMatchingGroup(s.spfilter,tp,LOCATION_MZONE|LOCATION_GRAVE,0,nil)
	return Duel.GetLocationCount(tp,LOCATION_MZONE)>-2 and #rg>1 and aux.SelectUnselectGroup(rg,e,tp,2,2,aux.ChkfMMZ(1),0)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,c)
	local rg=Duel.GetMatchingGroup(s.spfilter,tp,LOCATION_MZONE|LOCATION_GRAVE,0,nil)
	local g=aux.SelectUnselectGroup(rg,e,tp,2,2,aux.ChkfMMZ(1),1,tp,HINTMSG_REMOVE,nil,nil,true)
	if #g>0 then
		g:KeepAlive()
		e:SetLabelObject(g)
		return true
	end
	return false
end
function s.spop(e,tp,eg,ep,ev,re,r,rp,c)
	local g=e:GetLabelObject()
	if not g then return end
	Duel.Remove(g,POS_FACEUP,REASON_COST)
	g:DeleteGroup()
end
function s.cfilter(c)
	return c:IsRace(RACE_BEASTWARRIOR) and c:IsDiscardable()
end
function s.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.cfilter,tp,LOCATION_HAND,0,1,nil) end
	Duel.DiscardHand(tp,s.cfilter,1,1,REASON_COST|REASON_DISCARD)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	local opt=Duel.SelectOption(tp,aux.Stringid(id,1),aux.Stringid(id,2))
	e:SetLabel(opt)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if not c:IsRelateToEffect(e) or c:IsFacedown() then return end
	if e:GetLabel()==0 then
		local e1=Effect.CreateEffect(c)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_SET_ATTACK_FINAL)
		e1:SetValue(c:GetAttack()*2)
		e1:SetReset(RESETS_STANDARD_DISABLE_PHASE_END)
		c:RegisterEffect(e1)
	else
		local e1=Effect.CreateEffect(c)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_DIRECT_ATTACK)
		e1:SetReset(RESETS_STANDARD_DISABLE_PHASE_END)
		c:RegisterEffect(e1)
	end
end