By forcing the opponent to have the right interaction on turn one or two, we capitalize on the variance inherent in high-tier combo decks like Dimir Excruciator
This is done in two separate cuts
Prized Unicorn A freelance Lure wandering around is less good than a bestow-able one, so Prized Unicorn shows up in the worst possible infect builds or Fynn, the Fangbearer decks
So, the basic idea is that we play Archfiend, wait until our opponent plays a creature, and play Metamorphic Alteration on it to turn it into an Archfiend of the Dross
We cant help but feel rather hopeful for other crossovers that are in the works, and the hope this will bring players from both universes together.
Most people are going to get excited about the character-related posters, not the story beats