Son of Galleon's Saddle drops from Salyis's Warband in Valley of the Four Winds. It can also be listed on the Black Market Auction House.
Here you can buy Son of Galleon's Saddle for EU or US Servers.
You'll get guide for getting Son of Galleon's Saddle
You'll be able to get Son of Galleon's Saddle
Son of Galleon's Saddle mount
Additional budget for Character transfer or Character boost to max level. BMAH Services in Shadowlands now requirement to have a max level character on server, so Trial character will not work.
Free time on evening, if you choose selfplay option