3 Goblin Engineer
4 Urza, Lord High Artificer
2 Chromatic Star
2 Ensnaring Bridge
1 Grafdigger's Cage
1 Ichor Wellspring
4 Mishra's Bauble
2 Nihil Spellbomb
2 Pentad Prism
1 Pithing Needle
1 Pyrite Spellbomb
2 Sword of the Meek
4 Thopter Foundry
4 Mox Opal
4 Arcum's Astrolabe
1 Galvanic Blast
2 Whir of Invention
6 Snow-Covered Island
1 Snow-Covered Mountain
1 Snow-Covered Swamp
1 Hallowed Fountain
4 Polluted Delta
4 Scalding Tarn
1 Steam Vents
1 Watery Grave
1 Inventors' Fair
Sideboard
1 Grafdigger's Cage
1 Galvanic Blast
1 Welding Jar
1 Blood Moon
1 Celestial Purge
2 Fatal Push
1 Wear/Tear
1 Sai, Master Thopterist
2 Tezzeret, Agent of Bolas
1 Collective Brutality
1 Dead of Winter
2 Thoughtseize