Magic: The Gathering has had hundreds of mechanics over its decades-long lifespan. Some are part of the core functions of the game, such as drawing cards, losing life, the battlefield and the graveyard, and many more. There are also plenty of evergreen mechanics that appear on new cards every set, such as Flying, Scry, and Mill.
Source：https://www.cbr.com/mtg-storm-scale-mechanics-never-reprinted/
