Fanatical.com has Mortal Kombat XL (PC Digital Download) for $29.99 - $24 voucher code tYw3VbQpt05FghBqn45nM = $5.99.
Note, you will receive 3 individual Steam keys including the following:
Mortal Kombat X
Mortal Kombat X: Kombat Pack DLC
Mortal Kombat X: Kombat Pack 2 DLC
https://www.fanatical.com/en/bundle/mortal-kombat-xl?