The Well-Tempered Clavier, an Uncommon card

The card carries these facts from its Wikipedia article.

• In the composer's time clavier referred to a variety of keyboard instruments, namely the harpsichord, the clavichord and the organ, but not the regal and the then newly-invented pianoforte.
• The modern German spelling for the collection is Das wohltemperierte Klavier.
• Bach gave the title Das Wohltemperirte Clavier to a book of preludes and fugues in all 24 keys, major and minor, dated 1722, composed "for the profit and use of musical youth desirous of learning, and especially for the pastime of those already skilled in this study".

Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The The Well-Tempered Clavier article was read about 100,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 80 and blocks with 82: each hit it takes is cut by 33 %.

Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.

The cards just above and just below The Well-Tempered Clavier in the power ranking, all domains together.