Transformation, an Uncommon card

In mathematics, a transformation, transform, or self-map is a function f, usually with some geometrical underpinning, that maps a set X to itself, i.e. f: X → X.
From the Wikipedia article

Rarity: Uncommon
Domain: Science
ATK: 45
DEF: 29
Power: 74
Wikipedia reads a year: 15,000

Power 74 (ATK + DEF): stronger than 15 % of WikiCards cards.

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The facts on the card

The card carries these facts from its Wikipedia article.

In mathematics, a transformation, transform, or self-map is a function f, usually with some geometrical underpinning, that maps a set X to itself, i.e. f: X → X.

Why it is Uncommon

Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Transformation article was read about 15,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 45 and blocks with 29: each hit it takes is cut by 12 %.

How to get Transformation

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 Transformation in the power ranking, all domains together.

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Credits

Text : Wikipedia, Transformation (revision), CC BY-SA 4.0. Photo : Baelde, CC BY-SA 3.0, Wikimedia Commons.