Atraxa, Grand Unifier The Atraxa Part Two that is dominating Standard right now in self-mill and reanimation stuff
The once noble Brimaz, Blight of Oreskos has been brought into Phyrexias fold, rewarding you with Incubator tokens with every Phyrexian spell you cast, and Ixhel, Scion of Atraxa, a true Poison Counter commander, dedicated to infecting every player it can with Phryexias venom
I can enjoy games against The Ur-Dragon, but it has to be at a table that wants to be play their most tuned decks, or asking that the dragon player pull some punches
For 2-3 packs you can also score any intermediate level Prime, namely Mew and Typhlosion
Theres a bit more flexibility with instants and sorceries because they dont stick around, but its hard to understand what youre looking at when your opponents board is in black-and-white
(You cant use more than 1 GX attack in a game.)