Figuring out exactly what mix of three mana cards you should play will be a bit tough, but once the deck is ironed out and a good sideboard is made, this deck should hopefully be able to battle it out against all sides of the format, from White Weenie to Alrund's Epiphany with access to the best that Black and Blue have to offer
It's fairly similar to vehicles and crew, although you can only saddle at sorcery speed (that's to say, while the stack is empty during your main phase)
The microfiber interior is also a nice touch and its one that you may have come to expect only in more expensive deck boxes, but this particular option is cheap and readily available
When both player pass in a row while the stack is empty, the game follows to the second combat damage step
Finally, lets inspect Geralfs Messengers third ability
You create a number of Treasure tokens equal to the result