The biggest misconception is that Blue is the only deck that can play control, but rather it is a color that does it exceptionally well
As a Legendary Artifact Spacecraft, it makes use of new rules that Legendary Vehicles can be Commanders, with a transformative Station mechanic allowing it to make a cratering impact on the battlefield
Miirym, Sentinel Wyrm This ability is tremendously strong in general, but when paired with various other cards, MiirymMiirym makes it trivial to go infinite--even within a dedicated Dragon shell
I like this combo deck a lot, there are lots of ways to play it
309.5a If a player ventures into the dungeon while they own a dungeon card in the command zone and their venture marker isnt on that dungeons bottommost room, they move their venture marker from the room it is on to the next room, following the direction of an arrow pointing away from the room their venture marker is on