Azusa, Lost but Seeking allows you to play extra lands each turn too
He gets even better when paired with the Folk Hero background, which lets players draw a card whenever they cast a Rogue, Warrior, Cleric, or Wizard
This can take what may already be a creature filled battlefield and kick it into overdrive
Speaking of free value, Wandering Archaic continues to perform for me
Three mana for a commander that offers (limited) card advantage and becomes a relevant threat later in the game is well worth playing
It doesn't copy whether that Equipment is tapped or untapped, whether it has any counters on it or any Auras or Equipment attached to it, or any non-copy effects that have changed its types, color, power and toughness, and so on