4 Urza, Lord High Artificer 4 Arcum's Astrolabe 2 Teferi, Time Raveler 2 Whir of Invention 2 Fatal Push 1 Inventors' Fair 1 Batterskull 1 Nihil Spellbomb 4 Mox Opal 3 Stoneforge Mystic 4 Thopter Foundry 2 Sword of the Meek 4 Mishra's Bauble 1 Hallowed Fountain 1 Breeding Pool 1 Watery Grave 1 Pithing Needle 2 Pentad Prism 1 Pyrite Spellbomb 2 Welding Jar 4 Polluted Delta 4 Flooded Strand 1 Ensnaring Bridge 1 Snow-Covered Plains 6 Snow-Covered Island 1 Snow-Covered Swamp Sideboard 1 Dead of Winter 3 Assassin's Trophy 1 Damping Sphere 2 Collective Brutality 1 Grafdigger's Cage 2 Tezzeret, Agent of Bolas 1 Nature's Claim 3 Thoughtseize 1 Pithing Needle