Hearthstone

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About Hearthstone

Sheathe your sword, draw your deck, and get ready for Hearthstone - the fast paced strategy card game that's easy to learn and massively fun. Start a free game on Battle.net and play your cards to sling spells, summon creatures, and command the heroes of Warcraft in duels of epic strategy. With powerful prebuilt decks, and hundreds of additional cards to win, craft or purchase - your collection never stops evolving. Challenge players of all skill levels on Battle.net or hone your skills in practice matches against some of the greatest strategists of Azeroth - Thrall, Uther, Gul'dan, and more!

Summary via IGDB.

Hearthstone on Wikipedia

Hearthstone is a 2014 online digital collectible card video game produced by Blizzard Entertainment, released under the free-to-play model. Originally subtitled Heroes of Warcraft, Hearthstone builds upon the existing lore of the Warcraft series by using the same elements, characters, and relics. The game is available on the Windows, macOS, iOS and Android platforms, featuring cross-platform play. It has been a critical and commercial success, with Blizzard reporting more than 100 million Hearthstone players as of November 2018, and the game has become popular as an esport, with cash prize tournaments hosted by Blizzard and other organizers.

Source: Wikipedia (text under CC BY-SA 4.0).