Valve holiday greeting cards on sale for $2, since it's July

We like to get our holiday shopping done early. Way early, in fact, so we're pleased as punch to learn that a collection of Valve's holiday greeting cards are on sale for 2 clams. Check the list of packs after the jump and get 'em while they're still cheap/seasonally inappropriate!

• Left 4 Dead Holiday Cards ($1.99)
• Left 4 Dead 2 Holiday Cards ($1.99)
• Team Fortress 2 Holiday Card Collection 1 ($1.99)
• Team Fortress 2 Holiday Card Collection 2 ($1.99)