History of energy, a Common card

The card carries these facts from its Wikipedia article.

• Classical mechanics was initially understood through the study of motion and force by thinkers like Galileo Galilei and Isaac Newton, the importance of the concept of energy was made clear in the 19th century with the principles of thermodynamics, particularly the conservation of energy which established that energy cannot be created or destroyed, only transformed.
• In the 20th century Albert Einstein's mass–energy equivalence expanded this understanding by linking mass and energy, and quantum mechanics introduced quantized energy levels.
• Today, energy is recognized as a fundamental conserved quantity across all domains of physics, underlying both classical and quantum phenomena.

Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The History of energy article was read about 9,600 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 58 and blocks with 31: each hit it takes is cut by 12 %.

Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.

The cards just above and just below History of energy in the power ranking, all domains together.