If you also need space for duplicate cards, you can also use a 12-pocket zipfolio (480 cards)
The only real drawback is having to champion a creature, but you can just champion some token or weak creature since any creature works
Deck building can be a progress where you can express your ideas, your passion, your creativity, your inspiration, your love, your strategic planning, your good/evil/neutral side, your will to explore, create, destroy, alter reality and dominate the multiverse
While there are a decent amount of boardwipes in the format, most of them are rare
Equipment : As well as spreading power through the team, Boros can also consolidate power in one creature, otherwise known as a Voltron strategy
Canyon Jerboa is from Zendikar Rising , but there's no reason a similar creature can't appear across the multiverse in the Bloomburrow set