[Trading]Steam account 3 games for 1 game !!![Trading]

So first of all hello
so i have a legal steam account, and i want to exchange it for an Half-Life valid steam key, here are the games :

Half-Life 2: Deathmatch----$4.99
Half-Life 2: Lost Coast---- Included in a pack $9.99
And Portal the first slice but it's free, just to let you know

here are the screens :


thank you

 

You can get these for free if you have an Nvidia video card, or you can get someone to get the games for you...