12 Mountain 7 Island 2 Phyrexian Colossus 4 Avalanche Riders 4 Tinker 1 Ticking Gnomes 4 Grim Monolith 3 Goblin Welder 1 Raven Familiar 1 Lifeline 3 Arc Lightning 1 Crater Hellion 4 Claws of Gix 1 Phyrexian Processor 2 Wall of Junk 1 Karn, Silver Golem 1 Citanul Flute 4 Voltaic Key 4 Tolarian Academy Sideboard 4 Arcane Laboratory 3 Viashino Heretic 1 Rack and Ruin 1 Goblin Welder 1 Arc Lightning 1 Crater Hellion 2 Steam Blast 1 Phyrexian Processor 1 Whetstone