Oroville Dam, an Uncommon card

The card carries these facts from its Wikipedia article.

• At 770 feet high, it is the tallest dam in the U.S. and serves mainly for water supply, hydroelectricity generation, and flood control.
• The dam impounds Lake Oroville, the second-largest reservoir in California, capable of storing more than 3.5 million acre-feet.
• Built by the California Department of Water Resources, Oroville Dam is one of the key features of the California State Water Project, one of two major projects passed that set up California's statewide water system.

Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Oroville Dam article was read about 39,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 78 and blocks with 91: each hit it takes is cut by 36 %.

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 Oroville Dam in the power ranking, all domains together.