4 Walking Ballista
4 Urza's Tower
4 Urza's Mine
4 Urza's Power Plant
4 Urza's Saga
3 Eldrazi Temple
2 Island
1 Blast Zone
1 Inventors' Fair
2 Welding Jar
1 Relic of Progenitus
1 Pithing Needle
4 Ensnaring Bridge
4 Expedition Map
4 Chalice of the Void
4 Spellskite
4 Serum Powder
4 Karn, the Great Creator
4 Thought-Knot Seer
4 Mystic Forge
1 Bottled Cloister
1 Liquimetal Coating
1 Tormod's Crypt
1 Ratchet Bomb
1 Torpor Orb
1 Sorcerous Spyglass
1 Trinisphere
1 Witchbane Orb
1 Wurmcoil Engine
1 Possessed Portal
1 Sundering Titan
1 Kozilek, Butcher of Truth