Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
You can banish this card from your Graveyard to activate 1 of these effects; ● Increase the Levels of all "Mermail" monsters you currently control by 1. ● Increase the Levels of all "Mermail" monsters you currently control by 2.
--水精鱗－アビスマンダー
--Mermail Abyssmander
local s,id=GetID()
function s.initial_effect(c)
	--lvup
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_GRAVE)
	e1:SetCost(Cost.SelfBanish)
	e1:SetTarget(s.lvtg)
	e1:SetOperation(s.lvop)
	c:RegisterEffect(e1)
end
s.listed_series={SET_MERMAIL}
function s.filter(c)
	return c:IsFaceup() and c:IsSetCard(SET_MERMAIL) and c:HasLevel()
end
function s.lvtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.filter,tp,LOCATION_MZONE,0,1,nil) end
	local opt=Duel.SelectOption(tp,aux.Stringid(id,1),aux.Stringid(id,2))
	e:SetLabel(opt)
end
function s.lvop(e,tp,eg,ep,ev,re,r,rp)
	local opt=e:GetLabel()
	local g=Duel.GetMatchingGroup(s.filter,tp,LOCATION_MZONE,0,nil)
	local tc=g:GetFirst()
	for tc in aux.Next(g) do
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_UPDATE_LEVEL)
		e1:SetValue(opt+1)
		e1:SetReset(RESET_EVENT|RESETS_STANDARD)
		tc:RegisterEffect(e1)
	end
end