While Myr Enforcer does have affinity, I think Displaced Dinosaurs helps the beatdown plan a ton
Being able to draw more than one card without sacrificing or discarding something else is super valuable
Dimir mills itself pretty well, giving Raul a steady stream of cards to cast, plus some synergies with Secrets of the Dead and Prized Amalgam
Magic: The Gathering has a huge range of strategic interactions and options in it - but generally, your deck needs to follow a single, coherent strategy to win games
Its prowl cost gives you an extra turn spell, and these three can all be brought to the top of your deck with Faerie Harbinger (as expensive as the Harbinger is)
Farewell sees play in Standard, as well as Pioneer and the MTG Arena exclusive Historic format