1 Breeding Pool 2 Pithing Needle 1 Welding Jar 1 Pyrite Spellbomb 3 Polluted Delta 1 Ensnaring Bridge 5 Snow-Covered Island 1 Watery Grave 1 Snow-Covered Swamp 1 Snow-Covered Forest 1 Snow-Covered Mountain 1 Steam Vents 4 Mishra's Bauble 3 Goblin Engineer 4 Urza, Lord High Artificer 4 Arcum's Astrolabe 1 Damping Sphere 3 Whir of Invention 1 Inventors' Fair 1 Ichor Wellspring 1 Nihil Spellbomb 2 Galvanic Blast 4 Mox Opal 3 Scalding Tarn 2 Misty Rainforest 4 Thopter Foundry 2 Sword of the Meek 2 Chromatic Star 3 Assassin's Trophy 2 Fatal Push 2 Ceremonious Rejection 2 Collective Brutality 2 Tezzeret, Agent of Bolas 3 Thoughtseize 1 Nature's Claim