Invasion of Kaladesh // Aetherwing, Golden-Scale Flagship [March of the Machine]Set: March of the Machine Type: Battle Siege Rarity: Uncommon Cost: {U}{R} (As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.) When Invasion of Kaladesh enters the battlefield, create a 1 1 colorless Thopter artifact creature token with flying. Inspired by the grace of Ixalan's pterodons, Saheeli built one of her own. Reverse Type: Legendary Artifact Vehicle