Guys forget it, to get a new credit card account in GR with Alpha you need at least 2,000 EUR a month 'declared' income on your tax statement and a owned property (maybe even 2) in Greece in your own name so they can chase you if you default and auction your house . It is very difficult to get a credit card in GR these days, even for Greek residents born and raised in GR! Most of people's credit cards in GR were acquired from the 'party days' when the banks were calling you to get a credit card, not the other way around!
However, think about this, in GR you can at least use an Alpha Bank Debit Card Amex that collects points 'Alpha Bank Bonus' that can be used to redeem points to buy Aegean tickets. So if I was in GR and had to use Greek banks (most foreigners in GR use their foreign cards while in GR and don't rely on GR banking at all) to recieve my salary, I would be getting myself an Alpha Bank Amex rewards Debit Card.