The timing restrictions are a bit tedious, but Ive found that any repeatable way to trade out creatures is pretty valuable for any deck with a routinely stocked graveyard
If you're not familiar with Secret Lair, it's an ongoing series of limited-run mini sets consisting of reprints with wild theming and unexpected crossovers
We really hope you enjoy this, have fun reading, and dont be shy and discuss this in the comments
I actually just spoke about this process in depth on DisneyLorcana.com, but to summarize: The Set Lead Art Director for each set is responsible for coming up with the artistic vision for the Enchanted cards
Here are the Commander decklists for March of the Machine
There are so many fun things to mess around with when building a mill deck, no matter what format youre in, that picking something dull but efficient almost feels like a copout