How to get the Xmas houndoom mount other than buying from other people?

[Caylos]

I want to try get that mount but I'm not so sure on how to obtain it.

[Fafouney]

Yop, you need to wait for the Christmas Event around December.
It's an exclusive item to that Event that will be in this Icon at the top right of your screen.
It will cost 100 Coins to get it, so 1 Coin Capsule that you can get from players (380-400k) and save while waiting for Xmas.
Cheers.

[Pisforpenguin]

Currently the only way to obtain this mount is from purchasing from other players. As fafouney stated it is event specific item. This is only obtainable during the Christmas event which usually starts end of November or beginning of December. So if you can wait until then you can purchase one. If you chose not to wait you will have to find a player currently selling one