From novice mages all the way up to Hall of Famers, everybody will enjoy their Magic more when they have more choices and agency
Lets say Player 1 has a Set Call of the Haunted, and a Satellarknight Deneb in the Graveyard
Recently, the Wild Speculations thread in the Premodern Discord organically and spontaneously hosted a fight night of sorts, featuring two regulars and their respective decks
While skipping one-drops is doable, especially in slower decks, not being able to play three-drops as well means that playing Gyruda, Doom of Depths as your companion essentially means that you're guaranteeing you'll cast a maximum of four mana worth of spells (two two-drops) across the first three turns of the game, which is certainly too slow for older formats like Modern and Pioneer, and likely too slow for Standard as well
As for the commanders in each deck, there was apparently a lot of discussion as to who to choose
Flying enablers could become symmetry-breakers with cards like Stormtide Leviathan and Magus of the Moat that restrict which creatures can and cant attack