Field of the Dead Field of the Dead is at its best in slower formats
According to one source, there are meant to be less than 20 locations holding demos before the release day
11 to 13 of them are Traditional Foil cards, but there are still 5 commons, 4 uncommons, and 5 rare or higher, with a Headliner Mythic in around 1% of boosters
And if your opponent wants to cast Winternight Stories, they may do so, but they'll have to take a free lightning bolt to the face
Once you cast Miirym, the game quickly pivots to my opponents needing to either kill Miirym or kill me before I untap and start putting nontoken Dragons onto the battlefield
You pay the cost, discard that card, then can search your library for a card with the same mana value as the card you discard