I got this in a bundle of randomly selected keys, as well as several other things, so there should be other giveaways linked as soon as they're posted. Enjoy!

Curse: The Eye of Isis: https://www.steamgifts.com/giveaway/edhX4/curse-the-eye-of-isis
Darkstone: https://www.steamgifts.com/giveaway/EBPgd/darkstone
The Wild Eight: https://www.steamgifts.com/giveaway/YMhRE/the-wild-eight
Rebel Galaxy Outlaw: https://www.steamgifts.com/giveaway/9kc34/rebel-galaxy-outlaw