Slaughter Games is pretty devastating, and the new Lobotomy-Twist, Reap Intellect, looks pretty good, too
#15 Allow me to suggest commanders I found didn't have the number of decks they deserve according to edhrec.com: Exava, Rakdos Blood Witch: Let's play Rakdos +1/+1 counter themed aggro-control featuring cards like Oona's Blackguard, Cauldron of Souls, Contagion Engine, and Grave Betrayal
Also being able to kill X/4 creatures for red decks is huge: cards like Primeval Titan, Tarmogoyf, Deaths Shadow and many more were a nightmare for red based decks, but now you have a very good and versatile tool in Unholy Heat
This was unfortunate, as Commander was just about to take off and we had to wait six years for a return to the plane
As always, the comments and our Draftsim Discord are open
It would've been so much better if you had until your next turn's end step like Light up the Stage