What does the Rules Enforcement Level communicate?

The Rules Enforcement Level (REL) is an essential concept in the context of Magic: The Gathering tournaments as it indicates the expected level of rules enforcement and adherence to correct play for an event. This classification helps players understand the environment they are entering, including how strictly the rules will be upheld and what kinds of infractions may occur.

For instance, high-level RELs, such as those for professional events, typically expect a more rigorous interpretation and enforcement of the rules, where players are expected to have a thorough understanding of gameplay and rules interactions. Conversely, lower RELs may allow for leniency, encouraging a more casual atmosphere where mistakes are seen as part of the learning process.

This understanding of REL helps players prepare mentally and strategically for the tournament, as they can gauge the seriousness of play expected and the potential for judge intervention.