1 Academy Ruins 4 Arcum's Astrolabe 1 Breeding Pool 2 Chromatic Star 2 Ensnaring Bridge 1 Ghirapur Aether Grid 3 Goblin Engineer 1 Grafdigger's Cage 2 Ichor Wellspring 1 Inventors' Fair 4 Mishra's Bauble 4 Mox Opal 1 Nihil Spellbomb 1 Pithing Needle 4 Polluted Delta 1 Pyrite Spellbomb 1 Sai, Master Thopterist 4 Scalding Tarn 3 Snow-Covered Island 1 Snow-Covered Mountain 1 Snow-Covered Swamp 1 Spine of Ish Sah 2 Spire of Industry 1 Steam Vents 2 Sword of the Meek 4 Thopter Foundry 4 Urza, Lord High Artificer 1 Watery Grave 2 Whir of Invention 2 Assassin's Trophy 2 Ceremonious Rejection 1 Damping Sphere 1 Dead of Winter 2 Leyline of the Void 1 Nature's Claim 1 Pithing Needle 2 Tezzeret, Agent of Bolas 2 Thoughtseize 1 Witchbane Orb