Hearthstonejust announced the Mini-Set for theFestival of Legendscard expansion. This exciting new batch of cards promises to remix theHearthstoneformula with a new take on familiar types and keywords.

Apparently, the ongoing Festival of Legends has annoyed the Grimtotem Tauren tribes in the Thousand Needles, causing them to seek the Audiopocalypse, the end of all music in Azeroth. to save the music, thebands from the Festival of Legendsare working together in a way that might be familiar to some players.

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The 38-card Mini-Set is bringing back dual-class cards, first prototyped in theMean Streets of Gadgetzanset and then further refined inHearthstone’sScholomance Academyexpansion. These genre-bending cards feature new class combinations, such as the Abyssal Bassist and Through Fel and Flames, two Warrior/Demon Hunter cards coming in the Mini-Set. Like in previous expansions, these cards blend common archetypes and keywords found in both classes, like Weapons and Rush found in both Warrior and Demon Hunter, while also combining the musical genres represented by each class inFestival of Legends.

The Audiopocalypse is also introducing Remixed cards toHearthstone. Like the Harmonic spells fromFestival of Legends, Remixed cards change each turn they are in a player’s hand. However, rather than having two forms it swaps between, Remixed cards can have several, such as the four different versions of the Remixed Tuning Fork Warrior weapon, each of which has a unique Battlecry effect.

Players can expect to see the rest of theFestival of LegendsMini-Set revealed over the week leading up to its launch on May 31. LikepreviousHearthstoneMini-Sets, fans can pick up the entire 72-card playset for $15 or 2,000 Gold – or its Golden version for $70 or 10,000 Gold. The cards will otherwise be added to the pool of cards they can open fromFestival of Legendspacks.

Were that not exciting enough,Hearthstoneis doing a crossover withDiablo 4in celebration of the action RPG’s impending launch. From June 5 through 7, Diablowill return toHearthstoneBattlegroundsas a playable hero, and the Dark Wanderer Tavern Brawl is returning for the first time since 2017. For two weeks starting on June 7, players can challenge this epicDiablo 4-themed boss battle to earn a special card back during the event’s run. Progression is saved between weeks, so tenacious players will have plenty of time to try and reach the Secret Cow Level.

Hearthstoneis available now for Mobile and PC.