Most significantly, spacecraft, alongside existing legendary vehicles, can now function as commanders in the Commander format, broadening deck-building possibilities and establishing new archetypes
That helped blend themes in the two sets and was a nice throw-forward
Getting to pay energy to put +1/+1 counters on it is nice with Cayths Proliferate ability, and Overclocked Electromancer has the potential to hit hard
So while adventure cards werent made as a D&D reference to start, they definitely have the flavor for it
Check out the full decklists here
On the face of it it might appear as if Ranger has there modes of action, those being two lands, one land and no lands which is true in some respects but it does undermine the potency of Ranger