Unlike Rakshasa Vizier, which gets "that many" +1/+1 counters when cards are exiled from your graveyard, Laelia will only get one +1/+1 counter when one or more cards are exiled from your graveyard or from your library
They gain trample, haste, and annihilator 1 until end of turn
Outside of that Im less excited, but I could imagine it showing up
Cerberus Rare 163/585: Summon: G.F
Now think about how you can only have four copies of any card with the same name in your deck at one time
Brawl Not Legal Vintage Legal Timeless Not Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Legal Toolbox Buy This Card Notes and Rules Information for Aethermage's Touch: If you don't reveal any creature cards, or if you choose not to put a revealed creature card onto the battlefield, all the revealed cards go on the bottom of your library