4 Arcum's Astrolabe 4 Urza, Lord High Artificer 4 Mox Opal 1 Welding Jar 4 Mishra's Bauble 1 Nihil Spellbomb 2 Pithing Needle 1 Pyrite Spellbomb 1 Grafdigger's Cage 2 Sword of the Meek 4 Thopter Foundry 1 Time Sieve 1 Damping Sphere 2 Ichor Wellspring 1 Ensnaring Bridge 2 Thoughtseize 3 Goblin Engineer 3 Whir of Invention 4 Misty Rainforest 4 Polluted Delta 5 Snow-Covered Island 1 Snow-Covered Forest 1 Snow-Covered Swamp 1 Steam Vents 1 Watery Grave 1 Breeding Pool 1 Blast Zone Sideboard 1 Thoughtseize 1 Blast Zone 3 Fatal Push 2 Spell Snare 2 Collective Brutality 2 Tezzeret, Agent of Bolas 2 Assassin's Trophy 2 Oko, Thief of Crowns