1 Boros Garrison
3 Boros Guildgate
1 Clifftop Retreat
5 Mountain
5 Plains
3 Stone Quarry
1 Always Watching
1 Boros Charm
2 Built to Last
2 Built to Smash
1 Chandra, Pyromaster
1 Chief of the Foundry
2 Expedite
4 Flayer Husk
4 Galvanic Blast
2 Hovermyr
1 Jhoira's Familiar
2 Memnite
1 Mishra's Self-Replicator
2 Myr Sire
4 Ornithopter
2 Palladium Myr
1 Quarantine Field
1 Soulfire Grand Master
2 Sparring Construct
2 Tempered Steel
2 War Report
2 Whipflare
Sideboard:
1 Adaptive Automaton
1 Aethershield Artificer
1 Amulet of Safekeeping
1 Arcane Encyclopedia
1 Arcbound Worker
1 Banefire
1 Crash Through
1 Damping Sphere
1 Diamond Mare
1 Doublecast
1 Jor Kadeen, the Prevailer
1 Karn, Scion of Urza
1 Mine Excavation
1 Obelisk of Urd
1 Radiating Lightning
1 Spear of Heliod
1 Steel Overseer
1 Vanquisher's Banner
1 Voltaic Servant
1 Weatherlight