Blaster, Combat DJ is not particularly great as a Commander, since when you have 5 Mana, you should already have your Vehicles and cheap Modular Creatures out
These enter the battlefield untapped and allow you to tap, sacrifice and pay 1 life (at instant speed) to search your library for a land card with the one of the two land types written on them
Results vary depending on the card stock, age, severity of warping, humidity exposure and previous damage
And even if you're not here to build a competitive roster, you can always just leisurely play through the campaign mode while uncovering all the quirky (not-so-secret) Rick and Morty references
Did you know that Abzan, the Wedge that is a combination of White, Black, and Green is the least popular tri-color combination in commander