Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Once per turn, during your End Phase: Reveal the bottom card of your Deck, then place it on the top of the Deck or banish it face-down.
--見世物ゴブリン
--Goblin Circus
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)
	c:RegisterEffect(e1)
	--
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_F)
	e2:SetCode(EVENT_PHASE+PHASE_END)
	e2:SetRange(LOCATION_SZONE)
	e2:SetCountLimit(1)
	e2:SetCondition(s.cfcon)
	e2:SetOperation(s.cfop)
	c:RegisterEffect(e2)
end
function s.cfcon(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsTurnPlayer(tp) and Duel.GetFieldGroupCount(tp,LOCATION_DECK,0)~=0
end
function s.cfop(e,tp,eg,ep,ev,re,r,rp)
	if not e:GetHandler():IsRelateToEffect(e) then return end
	local g=Duel.GetFieldGroup(tp,LOCATION_DECK,0)
	if #g==0 then return end
	local tc=g:GetMinGroup(Card.GetSequence):GetFirst()
	Duel.MoveSequence(tc,0)
	Duel.ConfirmDecktop(tp,1)
	if tc:IsAbleToRemove(tp,POS_FACEDOWN) and Duel.SelectYesNo(tp,aux.Stringid(id,1)) then
		Duel.DisableShuffleCheck()
		Duel.Remove(tc,POS_FACEDOWN,REASON_EFFECT)
	end
end