With that math in mind, if you want your deck to reliably make 4 land drops in the first 4 turns of the game, you should start with 36-39 lands and tweak from there
Homunculus Horde $6.56 Insert your favorite Mike Wazowski meme here
While this might sound like a drawback, if youre playing this on curve, that can be somewhat beneficial as youll be able to play whatever card you fetched immediately, so long as you have the mana to do so
Timeless is the format that harnesses all cards on Arena, with no bans or rebalancing and just a few restricted cards, so any card you craft always has a format it can be played in
All three commanders lean on fliers, but their game plans arent locked to flying synergies, which is why they work best as broader evasive creature strategies rather than pure flying-matters builds