54 cards where the illustration contains “flying-mount”

Aerial Guide (Hour of Devastation #29)
Aesthir Glider (Masters Edition IV #176)
Araba Mothrider (Saviors of Kamigawa #2)
Archon of Absolution (Throne of Eldraine #3)
Archon of Redemption (Worldwake #3)
Archon of the Triumvirate (Return to Ravnica #142)
Ardenvale Tactician // Dizzying Swoop (Throne of Eldraine #5)
Ashen Rider (Theros #187)
Cavalier of Gales (Core Set 2020 #52)
Chariot of the Sun (Mirage #297)
Cloud Crusader (Magic 2011 #10)
Coalition Skyknight (Dominaria United #14)
Conclave Equenaut (Ravnica: City of Guilds #9)
Dramatic Rescue (Return to Ravnica #156)
Eiganjo Free-Riders (Saviors of Kamigawa #8)
Epic Downfall (Throne of Eldraine #85)
Fell Specter (Core Set 2019 #96)
Flight of Equenauts (Guilds of Ravnica #11)
Freewind Equenaut (Dissension #9)
Hollow Specter (Legions #75)
Hour of Need (Journey into Nyx #40)
Hypnotic Specter (Ninth Edition #141)
Isperia's Skywatch (Return to Ravnica #43)
Kargan Dragonlord (Rise of the Eldrazi #152)
Kjeldoran Skycaptain (Ice Age #39)
Kjeldoran Skyknight (Ice Age #40)
Krond the Dawn-Clad (Planechase 2012 #99)
Lyev Skyknight (Return to Ravnica #179)
Lys Alana Bowmaster (Morningtide #130)
Merfolk Falconer (Zendikar Rising #69)
Merfolk Wayfinder (Zendikar #56)
Mesa Cavalier (Dominaria United #26)
Order of Midnight // Alter Fate (Throne of Eldraine #99)
Order of the Golden Cricket (Morningtide #19)
Outflank (Throne of Eldraine #23)
Parhelion Patrol (Guilds of Ravnica #22)
Plover Knights (Lorwyn #35)
Ranger Squadron (Alchemy Horizons: Baldur's Gate #26)
Reconnaissance Mission (Ikoria: Lair of Behemoths #65)
Rogue Skycaptain (Alliances #79)
Silent Sentinel (Born of the Gods Promos #26★)
Silverwing Squadron (Throne of Eldraine #315)
Skyhunter Patrol (Mirrodin #22)
Skyhunter Strike Force (Phyrexia: All Will Be One Commander #21)
Sky Hussar (Dissension #131)
Skyrider Patrol (Core Set 2019 #224)
Skyspear Cavalry (Journey into Nyx #26)
Specter of the Fens (Strixhaven: School of Mages #87)
Tattered Drake (Ravnica: City of Guilds #68)
The Princess Takes Flight (Wilds of Eldraine #23)
Urborg Drake (Invasion #283)
Vantress Paladin (Throne of Eldraine #72)
White Shield Crusader (Coldsnap #24)
Windgrace Acolyte (Dominaria #112)

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