As of right now, its hard to say which version of the deck is the stronger choice
That last part matters a lot in competitive formats
Despite the high cost, Im partially optimistic about Machinists Arsenals potential in artifact-oriented archetypes that might also include Simulacrum Synthesizer and a wide range of cards that could make this equipment a quick game-closing tool, especially if equipped to a creature with Flying, such as Memory Guardian or the new Valkyrie Aerial Unit
This adds an additional level of characterization to the illustration
They dont like it when we know all of that, so they try to hide a lot of it, but they are required by assorted laws to print your odds for each potential pull
For those that want to include it in multicolored decks, run it alongside a card like Urborg, Tomb of Yawgmoth, to see it play at full strength