Whenever one or more creatures you control with flying deal combat damage to a player, draw a card.
Mu Yanling builds a fleet of evasive Vehicles and flyers, granting all your Vehicles flying and refilling your hand whenever your flyers connect. You ramp into artifacts, deploy crewed threats, and grind out card advantage off combat damage until you overwhelm the table or pivot to a finisher. The deck plays a tempo-control game in mono-blue, protecting attackers while drawing into more gas.
Built-in card advantage engine: any flying connection (even a single token) draws cards
Free Vehicle token on cast gives an immediate evasive crewed body
Mono-blue gives access to the best counterspells, card draw, and protection
Vehicles dodge sorcery-speed removal and don't die to board wipes when uncrewed
Mono-blue lacks efficient creature removal and struggles with resolved permanents
Heavily commander-dependent; the flying grant and draw trigger leave with her
Needs crew creatures, so you can be slowed by targeted creature removal or sweepers
Limited interaction with enchantments and artifacts compared to other colors