This is a raffle for a CD-key of the game the deer god on steam. It costs $14.99 (when not on sale)

http://psteamproxy.yuanyoumao.com/app/328940/The_Deer_God/

The entry is 1 trading card for 1 spot, with a maximum of 3 spots per person. There are 15 total spots for entry. The winner will be selected using https://www.random.org/

https://psteamcommunity.yuanyoumao.com/tradeoffer/new/?partner=154336673&token=XdfNw69Y

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If you invite all of your friends you will be placed in a raffle for a key of minion masters, there will be 5 winners.