[H] 1 tf2 key [W] offers

Hi. I offer you these games for 1 key: Mark of the Ninja, LIMBO.

The Binding of Isaac + Binding of Isaac: Wrath of the Lamb - 1 key

Serious Sam 2 - 1 key

Trapped Dead - 1 key

Painkiller Overdose - 1 key

Nation Red - 1 key

McPixel - 1 key

Forge - Starter Pack - 1 key

DLC Quest - 1 key

World of Goo - 1 key

Just Cause - 1 key

how about Mafia II (key) and Civilization V (key) together for that 1 TF2 key?