Blizzard is teasing the next batch of new cards coming to Hearthstone

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IGN Australia, among other outlets, has received a trumpet-playing cardboard tube and scroll that reads "Champions are gathering from around the world to witness the next exciting thing Hearthstone has in store. News travels far and wide in search of brave new faces ready to answer the call to arms — Are you one of them? Muster for battle and mark July 22 on your calendar."A new Inkeeper's Story has also appeared on Blizzard's Hearthstone site, replete with an illustration of a dwarf feeding what's branded a "unicorn". Only it isn't a unicorn, it's a Quel’dorei Steed , a mount available at Warcraft's Argent Tournament grounds if you grind enough rep with the Silver Covenant faction.All told, this makes it seem pretty much a dead cert the next batch of cards coming to Hearthstone will be themed around the Argent Tournament. All that's unclear is whether this will be an adventure or a full-blown expansion. Given that the last time Blizzard sent out physical teasers related to Hearthstone was for the Goblins vs Gnomes expansion, all signs point to this being a similar situation.Hearthstone is a free-to-play collectible card game based on Blizzard's Warcraft property. Read IGN's original Hearthstone review to learn more, or read about the new Blackrock Mountain adventure that introduced new cards and boss battles.

Luke Karmali is IGN's UK News Editor. You too can revel in mediocrity by following him on Twitter