EDHRec.com is an excellent source for Commander info and can give you ideas on how to build your next Commander deck or tune an existing one.
Chocobo Camp isnt the flashiest design, yet as a green land that enters untapped if you control a legend, the opportunity cost to playing it is low
Youre aiming to build a deck with a total of 40 cards its illegal to make it smaller than that, and it almost never helps you to make it bigger (since adding your 41st-best card will dilute the odds of you drawing your 1st-best card)
More about Secrets of Strixhaven
What it offers is a way efficiently using what mana you do get, whether that be a two land screw or an eight land flood
As for the cards, we saw plenty, from summonable saga creatures to Cactuar that can deal 10,000 damage