4 Ancient Tomb 3 Basalt Monolith 3 City of Traitors 2 Engineered Explosives 4 Great Furnace 4 Grim Monolith 1 Inventors' Fair 4 Karn, Scion of Urza 4 Karn, the Great Creator 3 Lion's Eye Diamond 4 Lotus Petal 4 Manifold Key 2 Mind Stone 5 Mountain 4 Mox Opal 4 Mystic Forge 3 Walking Ballista 2 Zirda, the Dawnwaker 4 Abrade 1 Basalt Monolith 1 Ensnaring Bridge 2 Ghirapur Aether Grid 1 Lion's Eye Diamond 1 Mycosynth Lattice 2 Pyroblast 1 Tormod's Crypt 1 Walking Ballista 1 Zirda, the Dawnwaker