Rare card
Boring Billion
- Value
- 50 W
- Attack
- 266
- Defence
- 213
- Players
- 0
The Boring Billion, otherwise known as the Mid-Proterozoic and Earth's Middle Ages, is an informal geological time period between 1.8 and 0.8 billion years ago (Ga) during the middle Proterozoic eon spanning from the Statherian to the Tonian periods, characterized by more or less tectonic…
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