Perlin noise, an Uncommon card

The card carries these facts from its Wikipedia article.

• Its application include procedurally generating terrain, applying pseudo-random changes to a variable, and assisting in the creation of image textures.
• It can be formulated in arbitrary dimensions, but is commonly implemented in two, three, or four dimensions for digital image and video processing.

Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Perlin noise article was read about 160,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 60 and blocks with 42: each hit it takes is cut by 17 %.

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 Perlin noise in the power ranking, all domains together.