Hypothetical types of biochemistry, an Uncommon card

The card carries these facts from its Wikipedia article.

• The kinds of living organisms known on Earth, as of 2026, all use carbon compounds for basic structural and metabolic functions, water as a solvent, and deoxyribonucleic acid or ribonucleic acid to define and control their form.
• If life exists on other celestial bodies, it may be chemically similar, though it is also possible that there are organisms with quite different chemistries – for instance, involving other classes of carbon compounds, compounds of another element, and/or another solvent in place of water.
• The possibility of life-forms being based on "alternative" biochemistries is the topic of an ongoing scientific discussion, informed by what is known about extraterrestrial environments and about the chemical behaviour of various elements and compounds.

Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Hypothetical types of biochemistry article was read about 110,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 83 and blocks with 92: each hit it takes is cut by 37 %.

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The cards just above and just below Hypothetical types of biochemistry in the power ranking, all domains together.