3 Prismatic Vista 4 Urza, Lord High Artificer 4 Goblin Engineer 4 Arcum's Astrolabe 2 Sai, Master Thopterist 2 Whir of Invention 1 Inventors' Fair 2 Spirebluff Canal 1 Ghirapur Aether Grid 1 Grafdigger's Cage 1 Ichor Wellspring 1 Nihil Spellbomb 4 Mox Opal 4 Thopter Foundry 1 Sword of the Meek 1 Chromatic Star 4 Mishra's Bauble 1 Steam Vents 1 Watery Grave 2 Pithing Needle 1 Pyrite Spellbomb 2 Flooded Strand 3 Polluted Delta 1 Ensnaring Bridge 1 Tormod's Crypt 1 Snow-Covered Mountain 6 Snow-Covered Island 1 Snow-Covered Swamp Sideboard 2 Dead of Winter 1 Sai, Master Thopterist 1 Ghirapur Aether Grid 2 Tezzeret, Agent of Bolas 3 Galvanic Blast 4 Leyline of the Void 2 Blood Moon