Don't ask me, ask my dad...
I had no other option but to call him to see if he could help me to get those games. The plan was the following: explain him that I had the money on cash, but no Visa card, and that I'd give him my steam account information and the games I wished. I'd pay him when I see him, or he could discount it from the money he gives me every month for personal spendings, that way he wouldn't risk his CC account or anything.
In the end, he said no... why? I have no idea, didn't want to push him or anything because he's my dad... funny thing is that he said "I want you to go to the bank and investigate about Visa cards, I'll open you one linked to my account so you can make that kind of spendings". Yes, it's weird... and no, he's a very, I mean VERY responsible guy with money and financial things.
Heck, he's an excellent businessman! he has NEVER made a late payment on any card or loan for his business, and apparently he even passes all the requirements for an American Express Centurion card... except for the minimum amount of money needed

(around 150 million USD according to a couple of sources... but I'm not sure on that.. I guess I'll look for it).
So, I got no games... but now I'm getting a Visa? lolwut?
what a day, right?

Hopefully, he'll help me with my transition once I come out to him :/