With Delney out, all creatures you control with a power of two or less cant be blocked by your opponents creatures with power three or more
The other loyalty abilities of Zariel, Archduke of Avernus are great for aggressive decks, but as far as the additional combat is concerned, I think we can do better
Wizards seem determined to make aggro work in Commander at the cost of screwing midrange decks that want to play haymakers, dont they
Teferi gives you access to either more gas in the form of cards or more gas in the form of loads of mana
Eladamri, Korvecdal Pretty much anything that lets you cheat on mana costs has power, with Eladamri, Korvecdal standing out among Elvish Piper variants due to its Future Sight ability providing an axis of card advantage
In that case, Altered Ego enters as a 0/0 creature and is probably put into the graveyard immediately