This not only allows your deck to have access to additional colors but also helps get around the command tax since each of your commanders gets its own command tax, helping ensure you always have something to play from the command zone if you have nothing better to do
Thus, while you might think this card is only worth a few dollars, remember that even Ultra Rare VMAX cards carry a hefty price tag when they come with a 'PLAY
If you want your deck to have a little extra sparkle, if you see a cool alternate print of a card that you like, or if you just want to support an artist you like, then yes
I love themes, and Odyssey brought with it enough Squirrels to make a theme deck featuring two of my all-time favorite Magic cards: Deranged Hermit and Squirrel Wrangler
For some time, this was the premier example of this mechanic, as this card saw some play in various Infect decks in Modern as an answer to Card not found