Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
If you have 2 "Abyss Actor" cards in your Pendulum Zones: Add 2 "Abyss Actor" Pendulum Monsters with different names from your Deck to your Extra Deck face-up. You can only activate 1 "Abyss Actors Back Stage" per turn.
--魔界劇団の楽屋入り
--Abyss Actors Back Stage
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)
	e1:SetCountLimit(1,id,EFFECT_COUNT_CODE_OATH)
	e1:SetCondition(s.condition)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
end
s.listed_series={SET_ABYSS_ACTOR}
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsExistingMatchingCard(Card.IsSetCard,tp,LOCATION_PZONE,0,2,nil,SET_ABYSS_ACTOR)
end
function s.filter(c)
	return c:IsType(TYPE_PENDULUM) and c:IsSetCard(SET_ABYSS_ACTOR) and not c:IsForbidden()
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then
		local g=Duel.GetMatchingGroup(s.filter,tp,LOCATION_DECK,0,nil)
		return g:GetClassCount(Card.GetCode)>=2
	end
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	local g=Duel.GetMatchingGroup(s.filter,tp,LOCATION_DECK,0,nil)
	if g:GetClassCount(Card.GetCode)<2 then return end
	Duel.Hint(HINT_SELECTMSG,tp,aux.Stringid(id,0))
	local tg1=g:Select(tp,1,1,nil)
	g:Remove(Card.IsCode,nil,tg1:GetFirst():GetCode())
	Duel.Hint(HINT_SELECTMSG,tp,aux.Stringid(id,0))
	local tg2=g:Select(tp,1,1,nil)
	tg1:Merge(tg2)
	if #tg1==2 then
		Duel.SendtoExtraP(tg1,tp,REASON_EFFECT)
	end
end