Main deck (60) 4 Ancient Tomb 2 Basalt Monolith 1 Blast Zone 3 Cavern of Souls 3 City of Traitors 4 Grim Monolith 2 Inventors' Fair 1 Karakas 3 Karn, Scion of Urza 4 Karn, the Great Creator 4 Lotus Petal 3 Manifold Key 3 Mox Diamond 4 Mox Opal 3 Mystic Forge 2 Oko, Thief of Crowns 3 Seat of the Synod 3 Spire of Industry 2 Ugin, the Ineffable 3 Urza, Lord High Artificer 3 Walking Ballista Sideboard (15) 1 Basalt Monolith 1 Ensnaring Bridge 1 Lion's Eye Diamond 1 Mycosynth Lattice 3 Mystical Dispute 2 Seal of Cleansing 4 Swords to Plowshares 1 Walking Ballista 1 Zirda, the Dawnwaker