Kondas Banner is great at giving an Anthem ability to a color that wouldnt normally get it, and in a dedicated tribal deck it can provide a formidable advantage on top of that
The Candelabra quickly became part of early competitive decks given its ease of comboing off
Any counters that are put on an artifact or enchantment while it's a creature because of Bello's ability remain on that artifact or enchantment while it's not a creature, even if they have no effect on a noncreature permanent
Miraris Wake, Rally the Ranks, and Cathars Crusade will also ensure were attacking with more than just a 1/1
Chatterfang, Squirrel General The interactions in a Chatterfang, Squirrel General deck may be a little more advanced than you want for new players, but you cant deny how great it feels to run a commander that goes infinite so easily
Not Ranked: Acornelia, Fashionable Filcher A silver border prevents Acornelia, Fashionable Filcher from being your commander unless you have a Rule 0 conversation with your play group, but you could ignore the art-matters text to make that discussion easier