Main Deck
60 cards
Lands - 23
1 Ancient Den
1 Forest
1 Great Furnace
8 Island
2 Mountain
3 Plains
2 Seat of the Synod
3 Swamp
1 Tree of Tales
1 Vault of Whispers
Creatures - 23
1 Arcbound Crusher
1 Arcbound Slith
1 Arsenal Thresher
1 Bosh, Iron Golem
1 Broodstar
1 Copper Myr
2 Etched Oracle
1 Gold Myr
1 Iron Myr
1 Leaden Myr
1 Lodestone Myr
1 Master of Etherium
2 Myr Enforcer
1 Pentavus
1 Qumulox
1 Sarcomite Myr
1 Silver Myr
1 Sludge Strider
1 Suntouched Myr
1 Vedalken Engineer
1 Wizard Replica
Spells - 14
1 Cranial Plating
1 Darksteel Forge
1 Door to Nothingness
1 Fabricate
1 Keep Watch
1 Loxodon Warhammer
1 Nuisance Engine
2 Pentad Prism
1 Serum Tank
2 Skeleton Shard
1 Thirst for Knowledge
1 Whiplash Trap
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Source: http://www.wizards.com/Magic/Magazine/Article.aspx?x=mtg/daily/arcana/259