Rare

Corrosion

Gradual destruction of materials by chemical reaction with its environment

Corrosion is a natural process that converts a refined metal into a more chemically stable oxide. It is the gradual deterioration of materials (usually a metal) by chemical or electrochemical reaction with their environment.

Attack
6,570
Defense
8,010
readers / month
980
Article length
41 kB · 80 languages

Text from Wikipedia, CC BY-SA 4.0 · Authors

Corrosion is a Rare card because its Wikipedia article was read 980 times in the last 30 days. Its 41 KB of text give it 6,570 attack, and coverage in 80 Wikipedia language editions gives it 8,010 defense.