In this collection is a total of 101 Cards.
More Info on the Scourgewar series checkout UpperDeck official website.
The Little White Stallion Bridle item which is obtained through the Trading Card Game (Loot Cards) can be seen in the video below.
The drawback of this item is that you will receive 50 ‘charges’ so it is a limited use item. It’s by no means a permanent/regular mount, only an item in your backpack.
I made a small clip of my “Tiny” mount from WoW: