If your Commander is low cost and likes to attack a lot, like Giada or Adeline, then Tome of Legends should draw you a lot of cards each game
Legendary Creature - Praetor Phyrexian Color tag templates(None) Esper Sentinel Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays , where X is this creature's power
Sure, you get to see a random card, but you're still going to lose to that Jace
Its also a combo piece in certain artifact-heavy decks
Having this sort of ramp attached to your commander makes it incredibly difficult to keep Choco off the battlefield, and the Bant colors gives you access to counterspells and things like Teferi's ProtectionTeferi's Protection to protect your growing Bird army from battlefield sweepers
If you and that creature each have a hat, the creature gains triple strike until end of turn