Even today, seven itchy years distant, pundits, commentators, and ex-PTQ players will not agree who had the matchup (personally, I was 14-0 against Donate with The Rock in 2001, never losing a game and winning both a GPT and PTQ)
That version can deal with any problem permanents, even things Grixis struggles to deal with like enchantments, and deals with creatures the best way possible by taking control of them
Annex is another one that gives you access to a land someone else controls, but the mana cost is crazy
For instance: A deck with a commander that costs two mana may avoid 2mv ramp because it anticipates playing its commander on turn two instead of ramping
While there are solid cards like Cut Your Losses for Bruvac mill or Hypnotic Grifter as a mana outlet in a self-mill deck, theyre a little niche and otherwise not going to add too much to your collection
Torbran, Thane of Red Fell adds 2 damage to every burn spell, and in turn 2 more to Imodane's damage, for a total of 4 extra per spell to each opponent