Microphone, an Uncommon card

The card carries these facts from its Wikipedia article.

• Microphones are used in telecommunication, sound recording, broadcasting, and consumer electronics, including telephones, hearing aids, and mobile devices.
• Several types of microphone are used today, which employ different methods to convert the air pressure variations of a sound wave to an electrical signal.
• The most common are the dynamic microphone, which uses a coil of wire suspended in a magnetic field, the condenser microphone, which uses the vibrating diaphragm as a capacitor plate, and the contact microphone, which uses a crystal of piezoelectric material.

Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Microphone 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 83 and blocks with 73: 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 Microphone in the power ranking, all domains together.