S5.4, a Common card

The card carries these facts from its Wikipedia article.

• It was originally used as the braking engine of the Vostok and Voskhod crewed spacecraft, and Zenit satellites, which later switched to solid motors.
• The engine produced 15.83 kilonewtons of thrust with a specific impulse of 266 seconds in vacuum, and burned for 45 seconds, enough for the deorbit.
• It had a main fixed combustion chamber and four small verniers to supply vector control.

Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The S5.4 article was read about 810 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 49 and blocks with 23: each hit it takes is cut by 9 %.

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 S5.4 in the power ranking, all domains together.