http://www.steamgifts.com/giveaway/ujFgr/starbound
Its simple, log in with your steam account, enter, and win! (low chance to win, BUT STILL A CHANCE!)
Also, it may be a cheap move off me but I'm entering it even if I'm buying my own keys, just so I can hand some out in our little community (IF I NOW GET ONE)
EDIT:
http://i3.minus.com/ibyGmuC76WcFvF.png
Hmmmh :/
Hmmh :\