It stands on its own without them, providing a sac outlet, board presence, and card draw all at once, and presumably gets better with each subsequent trip to the command zone
If you draw more Smugglers Copters than you can Crew, you can loot them away into real cards
examples of planeswalkers that can hinder creatures would be things like Gideon of the Trials , Liliana of the Veil , Liliana, the Last Hope , Mu Yanling, Sky Dancer etc
Be sure what you are doing will work best for you before you get half-way through and realize your mistake
The key is to take the monarch and never give it up, because once you keep that advantage rolling, you are in a strong position to win
I count: 38 lands and Gyre Sage, Incubation Druid, Fertilid, Rishkar, Peema Renegade, Wood Elves, Cultivate, Kodama's Reach, Sol Ring, Arcane Signet, Fractured Powerstone, Commander's Sphere, Ichor Elixir 50 mana