Clastic rock, an Uncommon card

Clastic rocks are composed of fragments, or clasts, of pre-existing minerals and rock.
From the Wikipedia article

Rarity: Uncommon
Domain: Science
ATK: 65
DEF: 58
Power: 123
Wikipedia reads a year: 26,000

Power 123 (ATK + DEF): stronger than 60 % of WikiCards cards.

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The facts on the card

The card carries these facts from its Wikipedia article.

A clast is a fragment of geological detritus, chunks, and smaller grains of rock broken off other rocks by physical weathering.
Geologists use the term clastic to refer to sedimentary rocks and particles in sediment transport, whether in suspension or as bed load, and in sediment deposits.

Why it is Uncommon

Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Clastic rock article was read about 26,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 65 and blocks with 58: each hit it takes is cut by 23 %.

How to get Clastic rock

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.

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Cards close in power

The cards just above and just below Clastic rock in the power ranking, all domains together.

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Credits

Text : Wikipedia, Clastic rock (revision), CC BY-SA 4.0. Photo : Matt Affolter (QFL247) ( talk ), CC BY-SA 3.0, Wikimedia Commons.