WikiCards · Card list · Science cards · Castor
Uncommon card · Science
Castor, an Uncommon card
Castor is the second-brightest object in the zodiac constellation of Gemini.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 67
- DEF
- 67
- Power
- 134
- Wikipedia reads a year
- 44,000
Power 134 (ATK + DEF): stronger than 75 % of WikiCards cards.
Castor quiz: 3 questions
Three questions on the Castor card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
With an apparent visual magnitude of 1.58, it is one of the ______ stars in the night sky.
Answer
brightest. With an apparent visual magnitude of 1.58, it is one of the brightest stars in the night sky. From the Castor article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Coffee preparation. Coffee preparation 77 · Alagoas 70 · Castor 67 · Bengal monitor 64 ATK in WikiCards.
Which of these Wikipedia articles is read the most in a year?
Answer
Alagoas. Alagoas 67,000 · Castor 44,000 · Arsine 27,000 · Athens Riviera 16,000 Wikipedia reads over a year.
In a duel, each round asks a question like these about the opposing card, with 15 seconds to answer.
The facts on the card
The card carries these facts from its Wikipedia article.
- It has the Bayer designation α Geminorum, which is Latinised to Alpha Geminorum and abbreviated Alpha Gem or α Gem.
- With an apparent visual magnitude of 1.58, it is one of the brightest stars in the night sky.
- Castor appears singular to the naked eye, but it is actually a sextuple star system organized into three binary pairs.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Castor article was read about 44,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 67 and blocks with 67: each hit it takes is cut by 27 %.
How to get Castor
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.
More Science cards
Cards close in power
The cards just above and just below Castor in the power ranking, all domains together.
- Bengal monitorUncommon · Nature · ATK 64 DEF 70
- Ficus sycomorusUncommon · Nature · ATK 66 DEF 68
- Black Elk PeakUncommon · Nature · ATK 67 DEF 67
- HandbagUncommon · Society · ATK 71 DEF 63
- Coffee preparationUncommon · Science · ATK 77 DEF 57
- Almonte, OntarioUncommon · Society · ATK 63 DEF 71
Card lists
- Wikipedia quizNew questions every day
- All cards from A to ZEvery card, by name
- Science cards
- Legendary cards
- Tier listS and A tiers by power (ATK + DEF)
Credits
Text : Wikipedia, Castor (revision), CC BY-SA 4.0. Photo : Gemini_constellation_map.png : Torsten Bronger derivative work: Kxx ( talk ), CC BY-SA 3.0, Wikimedia Commons.

