Propane, an Uncommon card

The card carries these facts from its Wikipedia article.

• It is a gas at standard temperature and pressure, but becomes liquid when compressed for transportation and storage.
• A by-product of natural gas processing and petroleum refining, it is often a constituent of liquefied petroleum gas, which is commonly used as a fuel in domestic and industrial applications and in low-emissions public transportation, other constituents of LPG may include propylene, butane, butylene, butadiene, and isobutylene.
• Discovered in 1857 by the French chemist Marcellin Berthelot, it became commercially available in the US by 1911.

Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Propane article was read about 180,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 77 and blocks with 72: each hit it takes is cut by 29 %.

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 Propane in the power ranking, all domains together.