Even though it starts as a 1/1, it quickly grows as more creatures enter the battlefield (which synergizes incredibly well with Cats like Arahbo, Caracal, and Prideful Parent that add multiple bodies to the battlefield), eventually ending up a massive flier
Outpost Siege is the most played of the group, but Chandra, Pyromaster, Etali, Primal Storm, Grenzo, Havoc Raiser, Stolen Strategy, and several others have the same kind of ability, whether its your library or an opponents
Every dragon you play adds a gold counter, and you can cash those in for card draw whenever you need it
A creature with multiple exalted counters will have that many instances of exalted
Ultimately, while Zanarkand, Ancient Metropolis might not be amazing, these land Adventures could have a lot of potential
these abilities make Baeloth both a great goad commander, and a very solid treasure commander