This term denotes a type of effect within Magic: The Gathering that destroys all creatures currently in play. This effect is commonly found on white-mana costed sorceries, often serving as a reset button for players overwhelmed by opposing forces. A practical application involves utilizing this effect when behind on board presence to equalize the game state, potentially paving the way for a more favorable outcome.
The impact of such an effect lies in its ability to neutralize opposing strategies centered around creature-based combat or board control. Historically, these effects have been integral to control-oriented deck archetypes, allowing them to manage aggressive strategies and maintain a long-term advantage. The strategic value is further enhanced by the fact that it affects all creatures indiscriminately, providing a universal solution to problematic battlefield states.