okay okay okay okay okay what if, get this
Reclaimed Territories
Conspiracy
After the utility land draft, reveal ~ and put every remaining card from the utility land draft into your sideboard.
That doesn't seem overpowered at all when you can't get 8 people together for the draft and have to make do with 4!
You could limit it by # of players. WARNING: the following is not articulated in MTGlish:
After the utility land draft, reveal ~. You may pick an additional X lands from the ULD where X is the number of drafters.