Glint Hawk

The entry trigger reads like a self-destruct clause (no artifact to return and the bird sacrifices itself the moment it resolves), but that demand is exactly what makes it a tool rather than a liability in a deck built on cheap artifacts. Return an artifact with its own enters-the-battlefield trigger to your hand, replay it, and you collect that trigger a second time; the cost is real, though, since you pay one mana, surrender a step of tempo bouncing the artifact, and only then recast it. The honest read is not "free value" but a deliberate tempo investment to set up a rebuy. The recursion is one-shot, not an engine: the bounce fires once per cast, so it only loops if you pair the bird with a separate blink or bounce effect to send it back to hand. What the single mana buys is an evasive 2/2 that wants the artifact half of the deck already online; the flying lets it carry equipment over a clogged ground while the artifact plan develops. It belongs to the white artifact-aggro lineage, where small fliers and cheap gear do the damage and the so-called drawback creatures are really rebuy enablers. The condition is unforgiving by design: an empty artifact board means you cast it, fail the check, and lose both the mana and the body at once. That harshness is the whole point, taxing a deck light on artifacts and rewarding one that is deep on them.