They feel authentic, with fantasy elements implied in the flavor text rather than the focus
This is easily done within the confines of the precon, both with the commander that investigates every turn to make a Clue and with various draw spells to trigger all of your permanents
What pushed him into nearly every worthwhile deck around the time of his release in 2015s Battle for Zendikar was the fact that he could lay down an emblem, which permanently buffed every creature on your side of the field with one extra point of power and toughness
on the surface, it looks pretty underwhelming, but when you dig in, its actually a very solid value proposition
Later in Episode 6 Together, Annie and Kellan attempt their escape from the vault as it crumbles around them, but their exit strategy gets complicated by Akul
The basic idea is that people record the items theyre looking to get rid of, and the audience can bid on what they want to buy