4 Arcum's Astrolabe 3 Prismatic Vista 4 Urza, Lord High Artificer 3 Goblin Engineer 2 Sai, Master Thopterist 3 Whir of Invention 1 Paradox Engine 1 Ghirapur Aether Grid 1 Cavern of Souls 1 Grafdigger's Cage 1 Ichor Wellspring 3 Mox Opal 1 Nihil Spellbomb 3 Scalding Tarn 3 Thopter Foundry 2 Sword of the Meek 4 Mishra's Bauble 1 Steam Vents 1 Watery Grave 1 Pithing Needle 4 Pentad Prism 4 Polluted Delta 1 Ensnaring Bridge 1 Snow-Covered Swamp 1 Snow-Covered Mountain 6 Snow-Covered Island Sideboard 3 Dead of Winter 1 Grafdigger's Cage 1 Witchbane Orb 2 Tezzeret, Agent of Bolas 1 Spine of Ish Sah 3 Thoughtseize 2 Blood Moon 2 Lightning Bolt