3 Goblin Engineer 4 Arcum's Astrolabe 2 Prismatic Vista 4 Urza, Lord High Artificer 1 Sai, Master Thopterist 3 Whir of Invention 1 Inventors' Fair 2 Spirebluff Canal 1 Grafdigger's Cage 1 Spine of Ish Sah 1 Ichor Wellspring 4 Mox Opal 1 Nihil Spellbomb 4 Scalding Tarn 3 Thopter Foundry 2 Sword of the Meek 4 Mishra's Bauble 1 Steam Vents 1 Watery Grave 2 Pithing Needle 2 Pyrite Spellbomb 2 Polluted Delta 1 Ensnaring Bridge 2 Mind Stone 1 Tormod's Crypt 1 Snow-Covered Mountain 5 Snow-Covered Island 1 Snow-Covered Swamp Sideboard 3 Dead of Winter 1 Unmoored Ego 1 Damping Sphere 1 Ghirapur Aether Grid 2 Tezzeret, Agent of Bolas 3 Thoughtseize 4 Leyline of the Void