Madrid Metro, an Uncommon card

The card carries these facts from its Wikipedia article.

• First opened in 1919, the system has regularly undergone numerous extensions over the next century, bringing it to today's network which comprises thirteen "conventional" lines and three light-rail lines known as Metro Ligero.
• The network is largely managed by Metro de Madrid S.A., which is owned by the Government of the Community of Madrid.
• As of September 2025, the conventional lines have a combined length of 296.6 kilometres, making Madrid's Metro system the 20th longest rapid transit system in the world, the 6th longest in the world outside of China, and the 3rd longest in Europe behind only the Moscow Metro and the London Underground, the three light-rail lines add a further 27.8 kilometres to the total length of the network.

Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Madrid Metro article was read about 74,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 92 and blocks with 92: each hit it takes is cut by 37 %.

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 Madrid Metro in the power ranking, all domains together.