4 Ancient Tomb
6 Forest
4 Urza's Mine
4 Urza's Power Plant
4 Urza's Tower
3 Argothian Wurm
4 Chromatic Sphere
4 Helm of Obedience
3 Karn, Silver Golem
4 Masticore
2 Mishra's Helix
4 Mulch
4 Nevinyrral's Disk
2 Phyrexian Devourer
2 Powder Keg
4 Sphere of Resistance
2 Thran Dynamo
Sideboard:
4 Defense Grid
1 Karn, Silver Golem
3 Naturalize
1 Phyrexian Furnace
2 Phyrexian Processor
1 Powder Keg
3 Tormod's Crypt