Here is the full list of all 11 Card City Nights 2 achievements.
Defeat a legendary card player.
Defeat the Card Gods.
Claim the Incredible Reward.
Reach Top Tier rank.
Reach A Tier rank.
Reach B Tier rank.
Reach C Tier rank.
Reach D Tier rank.
Reach E Tier rank.
Reach F Tier rank.
Complete any Challenge.