What to buy, what to buy?

So, 13K Glint with a 10K bonus for rank 36. What to buy? I am at the bottom of the ranking, at Bronze III. I need to get out of it, in order to make some profit.

But first, I am a bit vain, so I buy this nice skin:

I can buy 50 Common, so now I have one level 3, eleven level 2, and three of them are still level 1.

And some Gladiator packs, one Common Gold and five Rare cards:

That's all, folks!