This deck uses Myr and Door to Nothingness :D
4x Door to Nothingness
2x Iron Myr
2x Silver Myr
2x Copper Myr
2x Gold Myr
2x Leaden Myr
4x Alloy Myr
4x Kuldotha Forgemaster
4x Semblance Anvil
4x Hovermyr
2x Etched Monstrosity
4x Genesis Chamber
4x (Each of the colored artifact lands; Great Furnace, etc.)
4x Buried Ruin
Have you thought about running 4x {Master of Etherium}?
I run 4 in my artifact deck and I run the artifact lands as well. He gets big fast.
It's easiest for everyone if you post your decks using the deck builder portion on the app.
http://imtgapp.com/forum/index.php?topic=16850.0