Hematite Golem

A 1/4 wall that punches: that is the whole design, and it is an honest piece of common-rarity Mirrodin filler built to give a Goblin-leaning artifact deck a creature that survives the early turns and still threatens lethal late. The defensive toughness blocks the small aggression of its era, and the firebreathing ability turns leftover mana into reach, scaling with however much red you can spare in a turn. Mirrodin's golem subtheme produced a small fleet of these colorless bodies with single-color activation costs, each one a fixing-light splash that let a deck dip into a color without committing its manabase, and Hematite Golem is the red entry: a colorless artifact whose only color requirement lives on an optional pump. The tension it resolves is a familiar one for blocker-shaped creatures, which is that a high-toughness body with no offense rots in your hand once the board stalls; the pump answers that by letting the wall reach across the table the moment you have mana to burn. It was never built to do more than that, and it does not.