You definitely want more lands for larger Cubes, but not to the point where you want to see shocklands and something much, much weaker like Snarls in the same environment
Figuring out your game plan and finding cards that fit into it is the trickiest part of building a commander deck, but it's also extremely rewarding
As soon as there are no permanents with space sculptor on the battlefield, all sector assignments are lost
An Edge of Eternities Commander deck also includes a 2-card Collector Booster Sample Pack that gives you a nice taste of some of the great showcase cards from the set
You can enable void in a variety of ways: by sacrificing permanents, warping creatures, trading in combat, or using removal
Some people think Mono-Green Tron is unfavored against Valakut decks because it only wins if it casts some Karn on Turn 3