1 Inventors' Fair 1 Wastes 4 Urza's Tower 4 Urza's Power Plant 4 Urza's Mine 1 Sea Gate Wreckage 1 Ghost Quarter 4 Karn, the Great Creator 4 Ugin, the Ineffable 4 Coretapper 4 Astral Cornucopia 1 Defense Grid 3 Ensnaring Bridge 4 Everflowing Chalice 4 Mazemind Tome 4 Mystic Forge 4 Surge Node 1 Welding Jar 2 Blast Zone 1 Buried Ruin 4 Expedition Map 1 Walking Ballista 1 Tormod's Crypt 4 Spatial Contortion 1 Sorcerous Spyglass 1 Paradox Engine 1 Liquimetal Coating 1 Emrakul, the Aeons Torn 1 Crucible of Worlds 1 Welding Jar 1 Ensnaring Bridge 1 Wurmcoil Engine 1 Witchbane Orb