Kunstteich, a Common card

The card carries these facts from its Wikipedia article.

• These ponds were created by the construction of barriers, typically dams and embankments, and were used to supply hydropower and water to the mines.
• Water stored in the reservoir was used for a variety of purposes.
• It was used to turn water wheels that in turn drove the various mechanical devices used in mining in earlier centuries, such as man engines.

Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Kunstteich article was read about 220 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 36 and blocks with 7: each hit it takes is cut by 3 %.

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 Kunstteich in the power ranking, all domains together.