When he enters or attacks, you can sacrifice another creature you control and draw a card
Command Tower shines brightest in three or more color decks
This is a deck that benefits from being jammed full of creature cards that can do stuff, and while your combo can explode on turn three (T1 dork, T2 entity, T3 Atla+gather courage or Invigorate, go infinite), there are going to be a lot of games where your time is spent finding some of those pieces, and you dont want to be sitting there with a bunch of creature pump thats not doing anything until you find one card
With that said, not everybody is looking for a cEDH Power Level Pod and there are all sorts of different breakpoints for powerful decks that players can gravitate towards
That triggers Dragon Tempest for 2
Notorious Throng is not the only faerie to do well out of Wilds of Eldraine