In the rare case that the target land is a legal target as Preston Garvey's first ability resolves but the target land can't legally be enchanted by the Settlement token, the token won't be created at all
On top of that, Dark Impostor gains all activated abilities of all the Creature cards it has exiled
Court of Bounty Commander is a slow format that rewards ramp, even slower ramp cards like Court of Bounty
it's just one that, for the most part, will result in slow, methodical turns if you start thinking about the various ways you can win
Then the more valuable cards are harder to come by, with Legendary cards coming in at around every 5 packs
Obviously cards like Monastery Mentor and Saheeli, Sublime Artificer are both going to garner different levels of value for this deck, but I also think powerful sorceries like Blasphemous Act, Austere Command, and Karns Temporal Sundering are going to be more valuable when you can break through their timing restrictions