Tavern
From Heroes of Hammerwatch wiki
The Tavern is unlocked by purchasing it in the Tier 2 Town Hall upgrades.
The Tavern is the workplace of the Thief and allows you to gamble.
Gambling is a simple card flipping game where the highest card number wins.
A draw will result in the 'house' winning.
The 'Spike Trap' card is the Joker, and will win any hand.