Repurposing Bay [Aetherdrift Prerelease Promos]

Set: Aetherdrift Prerelease Promos Type: Artifact Rarity: Rare Cost: {2}{U} 2, T, Sacrifice another artifact: Search your library for an artifact card with mana value equal to 1 plus the sacrificed artifact's mana value, put that card onto the battlefield, then shuffle. Activate only as a sorcery. By the end of the race, few of the Aether Rangers' vehicles resembled what they started as.