Lumengrid Augur

The untap clause is what separates this from a once-per-turn filter that taps and waits a full rotation to fire again. A 2/2 that pays one mana to let someone draw-then-discard would normally crank a single time and call it done; here, discarding an artifact card untaps it, so a hand stocked with redundant metal turns one activation into a chain. In an artifact-dense deck that condition behaves less like a drawback than a self-regulating throttle: the engine runs as fast as your hand can keep feeding it artifacts and stalls when it can't. Pointing the ability at "target player" rather than its controller is the wrinkle. It reads like a tool for grinding an opponent's hand, but because the ability loots (draw, then discard), the chosen player decides what to pitch, and an opponent will always ditch their worst card while still drawing a fresh one. Aimed outward it is closer to a gift than an attack; aimed at yourself it is a controlled loot that doubles as an artifact-density payoff, each metallic pitch buying back the Vedalken for another crank. What it rewards lives in the deck and the hand, not on the board: the more artifact cards you can profitably discard, the more often the Wizard comes back online. Its ceiling is set entirely by how artifact-heavy the build around it runs, and a quiet curiosity anywhere artifacts aren't the point.