This deck already has two artifact cost reducers (Enthusiastic Mechanaut and Etherium Sculptor), so the third is pretty redundant, and Cloud Key is the worst of these effect due to its cost
That doesn't sound like a big difference at first glance, but getting your engine online a turn faster can often have an enormous snowball effect in Commander
If you had a typal card, we wanted you to be excited to play it and not have to worry if it might help your opponent more than you
Your best bet to pull it off is to play a commander like Selenia, Dark Angel that allows you to lose life on demand or have cards like Wall of Blood in play
In years past, this meant building decks Ive always bristled at: Storm, Fast Combo, cEDH, Stax, Infect, Fast Aggro, etc
Now, on December 17, near mint specimens are going for up to $195