Rare

Frequency

Number of occurrences or cycles per unit time

Frequency is the number of occurrences of a repeating event per unit of time. Frequency is an important parameter used in science and engineering to specify the rate of oscillatory and vibratory phenomena, such as mechanical vibrations, audio signals (sound), radio waves, and light.

Attack
5,690
Defense
8,810
readers / month
1,997
Article length
23 kB · 133 languages

Text from Wikipedia, CC BY-SA 4.0 · Authors

Frequency is a Rare card because its Wikipedia article was read 1,997 times in the last 30 days. Its 23 KB of text give it 5,690 attack, and coverage in 133 Wikipedia language editions gives it 8,810 defense.