4 Urza, Lord High Artificer 3 Goblin Engineer 4 Arcum's Astrolabe 1 Damping Sphere 3 Whir of Invention 1 Inventors' Fair 2 Batterskull 1 Ichor Wellspring 4 Mox Opal 1 Nihil Spellbomb 4 Stoneforge Mystic 4 Scalding Tarn 3 Thopter Foundry 1 Sword of the Meek 4 Mishra's Bauble 1 Hallowed Fountain 1 Steam Vents 1 Watery Grave 1 Pithing Needle 2 Pyrite Spellbomb 1 Welding Jar 4 Flooded Strand 1 Ensnaring Bridge 1 Snow-Covered Plains 1 Snow-Covered Mountain 6 Snow-Covered Island Sideboard 1 Dead of Winter 2 Damping Sphere 3 Fatal Push 1 Collective Brutality 2 Wear 2 Tezzeret, Agent of Bolas 3 Thoughtseize 1 Manriki-Gusari