12 Mountain
4 Ancient Tomb
4 Urza's Saga
4 Goblin Welder
4 Goblin Engineer
4 Painter's Servant
4 Breya's Apprentice
1 Twinshot Sniper
1 Ruin Grinder
4 Pyroblast
2 Red Elemental Blast
4 Lotus Petal
1 Mox Opal
3 Grindstone
1 Pithing Needle
1 Retrofitter Foundry
1 The Underworld Cookbook
1 Ensnaring Bridge
1 Cursed Mirror
3 Karn, the Great Creator

Sideboard
3 Abrade
2 Surgical Extraction
2 Welding Jar
2 Trinisphere
1 Twinshot Sniper
1 Tormod's Crypt
1 Grafdigger's Cage
1 Torpor Orb
1 Ensnaring Bridge
1 Mycosynth Lattice