While not a high-value investment, its a format-defining role-player that sees play in Pioneer, making it a great pickup for players on a budget
Hydro-Man, Fluid Felon As a card that becomes a land and untaps itself, I put Hydro-Man, Fluid Felon on this list because I've been brain ninja-ed by blue players before and an untapped gives me trust issues
Like Szarekh, Anrakyr has an attack trigger, but does far more than draw you a card, instead cheating mana costs by letting the player use their life total for a single artifact spell
It doesnt take over a game as well as Olivia, but it definitely succeeds as an unkillable threat that can win a game very quickly
As an Artifact Creature, there's plenty of synergies you can create with Platinum Angel in mind, to ensure nobody but you can win
I typically have less of those since in Commander it's harder to include them due to color identity restrictions