That same messenger bag is available from amazon.
I actually have that exact bag and it's decent quality, has held up well for a few years, but that logo doesn't even appear to be embroidered, looks like an iron on or a screen print which I wouldnt think would hold up well on a bag.
I'd rather just have an Ixalan patch if i REALLY loved Ixalan so much that I wanted an Ixalan branded messenger bag.
I have a nice simple bag I use for work. Holds my tools, plus any odds and ends, in addition to my lunch.
I have it in black. Tough canvas bag, plain, simple and it just works.
The bag itself was just one from Amazon (http://www.amazon.com/dp/B001F4OKYM/ref=twister_B018MSYEU8) and the patches were from Etsy (https://www.etsy.com/shop/ZanzibarLand).
Messenger bags seem to be like that. You could always buy the one I own for 22 bucks.