4 Urza, Lord High Artificer 3 Goblin Engineer 4 Arcum's Astrolabe 2 Prismatic Vista 3 Sai, Master Thopterist 3 Whir of Invention 1 Inventors' Fair 2 Spirebluff Canal 1 Grafdigger's Cage 2 Ichor Wellspring 4 Mox Opal 4 Scalding Tarn 3 Thopter Foundry 2 Sword of the Meek 2 Chromatic Star 4 Mishra's Bauble 1 Hallowed Fountain 1 Steam Vents 1 Pithing Needle 1 Grinding Station 1 Pyrite Spellbomb 3 Flooded Strand 1 Ensnaring Bridge 1 Snow-Covered Plains 1 Snow-Covered Mountain 5 Snow-Covered Island Sideboard 2 Teferi, Time Raveler 3 Ceremonious Rejection 1 Ghirapur Aether Grid 2 Path to Exile 4 Leyline of the Void 3 Lightning Bolt