Get three packs for free!
Three Free Packs
- Launch the game, and click the gear icon, to enter the settings menu.
- Click the Account button.
- Input your email address.
- Check your email inbox, for the code/key.
- Copy the code, that is within the email from Kards.
- Launch the game again.
- Click on the shop icon.
- Click on the Redeem button at the bottom of the shop.
- Enter the code/key, and click confirm.
Done! Now you have the three free packs!
Source: https://gameplay.tips/guides/4066-kards.html