Cai Lun, an Uncommon card

The card carries these facts from its Wikipedia article.

• He occupies a pivotal place in the history of paper due to his addition of pulp via tree bark and hemp ends which resulted in the large-scale manufacture and worldwide spread of paper.
• Although Cai is traditionally regarded as the inventor of paper, earlier forms of paper have existed since the 3rd century BCE, so his contributions were an innovation, rather than an invention.
• Born in Guiyang Commandery, Cai arrived at the imperial court in Luoyang by 75 CE, where he served as a chamberlain for Emperor Ming, and then as Xiao Huangmen, an imperial messenger for Emperor Zhang.

Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Cai Lun article was read about 53,000 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 97: each hit it takes is cut by 39 %.

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 Cai Lun in the power ranking, all domains together.