While the creature type isnt completely devoid of options at Commander, those options are incredibly limited
In the original release of FINAL FANTASY VI, Sabin masters the art of the Suplex and uses it to defeat his many foes
15 Oath of Nissa A legendary enchantment for only one green mana, upon entering the battlefield, Oath of Nissa serves a cantrip that selects a creature, land, or Planeswalker from the top of its controller's library, putting that card in that player's hand
You can also play into an aristocrats strategy, where you sacrifice your own creatures for your benefit, using your Humans as a resource to drain your opponents' life totals without even going to the combat step
Its also a merfolk, and these tend to synergize with getting tapped, as many merfolk from Lorwyn and Lorwyn Eclipsed do