Super rare

Spanish flu

1918–1920 global influenza pandemic

The 1918–1920 flu pandemic, also known as the Great Influenza epidemic or by the misleading name Spanish flu, was an exceptionally deadly global influenza pandemic caused by the H1N1 subtype of the influenza A virus. The earliest probable cases were documented in March 1918 in Haskell County, Kansas, United States, with further cases reco…

Attack
9,260
Defense
8,340
readers / month
49,959
Article length
246 kB · 99 languages

Text from Wikipedia, CC BY-SA 4.0 · Authors

Spanish flu is a Super rare card because its Wikipedia article was read 49,959 times in the last 30 days. Its 246 KB of text give it 9,260 attack, and coverage in 99 Wikipedia language editions gives it 8,340 defense.