I will not send the key without checking the winner has this game.
So:

• if You have a public Steam profile, published games and less than 2,000 games - I will check it in the winner's Steam profile
• otherwise I will send an invitation to friends on Steam, later You will be able to remove me from friends list (if You want)

Steam cards: yes (7)
Achievements: no (0)

So far 2 keys, later I send new giveaway with little more keys for this game.