Main deck (60) 4 Ancient Tomb 4 Astral Cornucopia 2 Blast Zone 4 City of Traitors 4 Coretapper 4 Everflowing Chalice 4 Grim Monolith 3 Inventors' Fair 4 Karn, Scion of Urza 4 Karn, the Great Creator 1 Manifold Key 4 Mox Opal 4 Mystic Forge 1 Retrofitter Foundry 1 Rings of Brighthearth 4 Surge Node 4 Urza's Saga 3 Voltaic Key 1 Walking Ballista Sideboard (15) 1 Cursed Totem 1 Ensnaring Bridge 1 Grafdigger's Cage 1 Liquimetal Coating 1 Mycosynth Lattice 1 Rings of Brighthearth 1 Sorcerous Spyglass 4 Thought-Knot Seer 1 Tormod's Crypt 1 Trinisphere 1 Walking Ballista 1 Winter Orb