Mickey Mouse, True Friend is probably the most balanced card in the entire game
Once you have this army, Nematas other abilities let you make use of it, sacrificing Saprolings either to pump Nemata himself up for a lethal strike, or to draw more cards which will, more than likely, create even more Saprolings for you
Whether this captain provides backup for one, two, or three other creatures is really good because when combined with trample you're much more likely to deal combat damage to an opponent
But he can also work in a Bodyguard focused deck or just a deck that happens to run a bunch of Bodyguards
If you don't want to use it as commander but still wish to exploit its abilities, then put it in your 99 alongside such commanders like Dihada, Binder of Wills or Zur, Eternal Schemer
Whether you just want to slot this as a value piece in case an opponent is trying to run away with the game by being a little too greedy with their card draw, or you want to make this part of your main strategy with commanders like Sheoldred, the Apocalypse or Nekusar, the Mindrazer , Orcish Bowmasters is going to shoot a lot of damage around the able