4 Urza, Lord High Artificer 3 Goblin Engineer 4 Arcum's Astrolabe 2 Teferi, Time Raveler 3 Whir of Invention 1 Grafdigger's Cage 1 Spine of Ish Sah 1 Ichor Wellspring 1 Galvanic Blast 2 Nihil Spellbomb 4 Mox Opal 4 Scalding Tarn 3 Thopter Foundry 2 Sword of the Meek 1 Gemstone Caverns 4 Mishra's Bauble 1 Hallowed Fountain 1 Steam Vents 1 Watery Grave 1 Pithing Needle 1 Pyrite Spellbomb 4 Polluted Delta 1 Ensnaring Bridge 2 Mind Stone 6 Snow-Covered Island 1 Snow-Covered Swamp 1 Snow-Covered Mountain Sideboard 1 Dead of Winter 1 Teferi, Time Raveler 1 Sai, Master Thopterist 3 Fatal Push 2 Ceremonious Rejection 1 Tezzeret, Agent of Bolas 3 Thoughtseize 1 Ancient Grudge 2 Leyline of the Void