1 Ancient Den
1 Boros Garrison
1 Boros Guildgate
1 Buried Ruin
1 Command Tower
1 Darksteel Citadel
1 Endless Sands
1 Evolving Wilds
1 Exotic Orchard
1 Forgotten Cave
1 Great Furnace
1 Lorehold Campus
7 Mountain
1 Opal Palace
1 Phyrexia's Core
9 Plains
1 Rogue's Passage
1 Rustvale Bridge
1 Temple of the False God
1 Urza's Saga
1 Wind-Scarred Crag
1 Alibou, Ancient Witness
1 Angel of the Ruins
1 Arcane Signet
1 Austere Command
1 Blacksmith's Skill
1 Boros Charm
1 Bronze Guardian
1 Burnished Hart
1 Chaos Warp
1 Chiss-Goria, Forge Tyrant
1 City on Fire
1 Cityscape Leveler
1 Cloud Key
1 Commander's Sphere
1 Cultivator's Caravan
1 Darksteel Colossus
1 Darksteel Forge
1 Digsite Engineer
1 Dispatch
1 Dolmen Gate
1 Dusk Rose Reliquary
1 Fire Diamond
1 Foundry Inspector
1 Ghirapur Aether Grid
1 Gold Myr
1 Grafted Exoskeleton
1 Karlach, Fury of Avernus
1 Karn, Legacy Reforged
1 Karn, Living Legacy
1 Karn, Scion of Urza
1 Leonin Abunas
1 Losheel, Clockwork Scholar
1 Marble Diamond
1 Mechtitan Core
1 Mind Stone
1 Myr Battlesphere
1 Myr Turbine
1 Organic Extinction
1 Ornithopter of Paradise
1 Patchwork Automaton
1 Path to Exile
1 Platinum Emperion
1 Precursor Golem
1 Rebbec, Architect of Ascension
1 Retrofitter Foundry
1 Return to Dust
1 Revoke Existence
1 Roaming Throne
1 Skitterbeam Battalion
1 Skyclave Relic
1 Sol Ring
1 Solemn Simulacrum
1 Steel Hellkite
1 Steel Overseer
1 Steel Seraph
1 Strionic Resonator
1 Swift Reconfiguration
1 Swords to Plowshares
1 Take Up the Shield
1 Tempered Steel
1 Thrill of Possibility
1 Triplicate Titan
1 Unwinding Clock
1 Wake the Past
1 Warleader's Call
Sideboard:
1 Drumbellower
1 Goldfury Strider
1 Karn's Sylex
1 Liberator, Urza's Battlethopter
1 Lodestone Myr
1 Mechanized Warfare
1 Salvation Colossus