Its slightly concerning how many of them seem to be designed as value generators, given that Atraxa, Grand Unifier is essentially untouchable in that role and will likely be their fiercest competition for deck slots
You can open these cards in Set, Draft, and Collector Boosters, in both non-foil and traditional foil
Arcee, Acrobatic Coupe Color Indicator: White and Red Legendary Artifact Vehicle Living metal (During your turn, this Vehicle is also a creature.) Whenever you cast a spell that targets one or more creatures or Vehicles you control, put that many +1/+1 counters on Arcee
Most people probably figure it's safer to just play a strong four-drop
Choose reliable commanders for Brawl like Poq, Jodah, and Etali for success
There is of course room for disagreement here and your lines might be different from mine, but specific cards that I believe work well, as well as cards that I dislike, are important for the purpose of this discussion