Estradiol, an Uncommon card

The card carries these facts from its Wikipedia article.

• It is involved in the regulation of female reproductive cycles such as estrous and menstrual cycles.
• Estradiol is responsible for the development of female secondary sexual characteristics such as the breasts, widening of the hips and a female pattern of fat distribution.
• It is also important in the development and maintenance of female reproductive tissues such as the mammary glands, uterus and vagina during puberty, adulthood and pregnancy.

Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Estradiol 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 82 and blocks with 99: each hit it takes is cut by 40 %.

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 Estradiol in the power ranking, all domains together.