AC power, an Uncommon card

The card carries these facts from its Wikipedia article.

• In alternating current circuits, energy storage elements such as inductors and capacitors may result in periodic reversals of the direction of energy flow.
• Its SI unit is the watt.
• The portion of instantaneous power that, averaged over a complete cycle of the AC waveform, results in net transfer of energy in one direction is known as instantaneous active power, and its time average is known as active power or real power.

Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The AC power article was read about 47,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 68 and blocks with 45: each hit it takes is cut by 18 %.

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 AC power in the power ranking, all domains together.