4 Urza, Lord High Artificer 3 Goblin Engineer 4 Arcum's Astrolabe 1 Teferi, Time Raveler 1 Sai, Master Thopterist 3 Whir of Invention 1 Grafdigger's Cage 2 Ichor Wellspring 1 Spine of Ish Sah 4 Mox Opal 1 Darkslick Shores 1 Nihil Spellbomb 3 Scalding Tarn 3 Thopter Foundry 2 Sword of the Meek 4 Mishra's Bauble 1 Blood Crypt 1 Hallowed Fountain 1 Steam Vents 1 Watery Grave 1 Pithing Needle 2 Pyrite Spellbomb 4 Polluted Delta 1 Ensnaring Bridge 2 Mind Stone 1 Snow-Covered Swamp 1 Snow-Covered Mountain 6 Snow-Covered Island Sideboard 1 Teferi, Time Raveler 1 Sai, Master Thopterist 2 Damping Sphere 3 Fatal Push 2 Ceremonious Rejection 1 Wear 2 Tezzeret, Agent of Bolas 2 Thoughtseize 1 Lightning Bolt