1 Fiery Islet 3 Prismatic Vista 3 Urza, Lord High Artificer 3 Goblin Engineer 3 Arcum's Astrolabe 2 Karn, the Great Creator 1 Damping Sphere 4 Whir of Invention 4 Mox Opal 2 Nihil Spellbomb 3 Scalding Tarn 1 Time Sieve 3 Thopter Foundry 3 Sword of the Meek 4 Mishra's Bauble 1 Steam Vents 2 Watery Grave 1 Pithing Needle 2 Pyrite Spellbomb 1 Welding Jar 3 Polluted Delta 2 Ensnaring Bridge 1 Snow-Covered Mountain 6 Snow-Covered Island 1 Snow-Covered Swamp Sideboard 2 Assassin's Trophy 2 Sai, Master Thopterist 1 Damping Sphere 1 Tezzeret, Agent of Bolas 1 Thopter Foundry 1 Sword of the Meek 3 Leyline of the Void 1 Pithing Needle 1 Engineered Explosives 1 Mycosynth Lattice 1 Ensnaring Bridge