3 Whir of Invention 4 Polluted Delta 1 Prismatic Vista 4 Scalding Tarn 5 Snow-Covered Island 1 Snow-Covered Mountain 1 Snow-Covered Swamp 1 Steam Vents 1 Hallowed Fountain 1 Watery Grave 4 Thopter Foundry 3 Goblin Engineer 2 Sai, Master Thopterist 4 Urza, Lord High Artificer 4 Arcum's Astrolabe 1 Ensnaring Bridge 1 Ghirapur Aether Grid 1 Grafdigger's Cage 1 Time Sieve 1 Ichor Wellspring 4 Mishra's Bauble 4 Mox Opal 1 Nihil Spellbomb 1 Pithing Needle 1 Pyrite Spellbomb 2 Serum Visions 2 Sword of the Meek 1 Mind Stone 1 Damping Sphere 1 Dead of Winter 1 Fatal Push 2 Galvanic Blast 1 Grafdigger's Cage 1 Master of Etherium 2 Teferi, Time Raveler 2 Ceremonious Rejection 2 Tezzeret, Agent of Bolas 2 Thoughtseize