Heartstone, the popular card game by Blizzard, is getting a new expansion titled “Mean Streets of Gadgetzan this week.

Hearthstone: Mean Streets of Gadgetzan

Blizzard confirmed that the release date for the expansion will be December 1st, just later this week.

The update sees the addition of 132 new cards, as well as the addition of three new factions: the Grimy Goons, Jade Lotus and Kabal. Each faction has its own focus: The Grimy Goons cards buff minions in your hand, the Jade Lotus have stealth cards and golems and the Kabal use potions.

Also added is a pretty important new feature: the new tri-class cards. They can be used by the three classes, coming in different gangs.

Pre-orders are available now for what is 50 packs for $50, each featuring one rare card or better.

They will be available once the expansion launches on December 1st.