DESCRIPTION
Pentavus for artifact sacrifices, Acadamy Ruins to return artifacts, Grim Monolith + Power Artifact for infinite mana, Spell Burst to stop almost any spell, Darksteel Forge for indestructible artifacts, All Is Dust in hard spots or to clear field for a win, Steel Overseers + Voltaic Keys to beef up your army, Tinker to get something important, Mycosynth to make stuff cheaper, and Master Transmuter for a cheap Darksteel Colossus or other artifact.