4 Urza, Lord High Artificer 4 Goblin Engineer 4 Arcum's Astrolabe 2 Prismatic Vista 1 Scrap Trawler 2 Whir of Invention 1 Spirebluff Canal 1 Grafdigger's Cage 1 Ichor Wellspring 4 Mox Opal 1 Darkslick Shores 1 Nihil Spellbomb 3 Scalding Tarn 4 Thopter Foundry 1 Sword of the Meek 4 Mishra's Bauble 1 Steam Vents 1 Watery Grave 1 Pithing Needle 4 Serum Visions 1 Pyrite Spellbomb 3 Polluted Delta 1 Ensnaring Bridge 2 Mind Stone 1 Tormod's Crypt 1 Snow-Covered Swamp 1 Snow-Covered Mountain 5 Snow-Covered Island Sideboard 1 Dead of Winter 2 Sai, Master Thopterist 2 Fatal Push 2 Surgical Extraction 2 Tezzeret, Agent of Bolas 2 Galvanic Blast 4 Leyline of the Void