What Is EDH Power Level?

The Informal Version

"Power level" has been Commander shorthand for years, usually expressed as a number on some open-ended scale like 1-10. It's trying to capture how optimized a deck is: how efficient its mana curve is, whether it runs fast mana and tutors, how dense its combo package is (if it has one), and how consistently it executes its game plan versus how much it relies on getting lucky.

The well-known problem with the informal version is that it doesn't travel. One player's "power level 7" is another player's power level 5, because there was never a shared definition, just a rough vibe that varies by playgroup, and sometimes by ego.

The Official Bracket System

Wizards of the Coast introduced an official bracket system specifically to fix that mismatch: a shared vocabulary that means roughly the same thing from table to table. The five brackets run from Exhibition (casual, thematic, low-optimization builds) through Core and Upgraded, up to Optimized, and finally cEDH, fully optimized decks built for competitive Commander play. Rather than a vague 1-10 gut check, brackets give playgroups a common reference point when they're deciding what kind of game they want to sit down to.

Build-Time Estimate vs. Play-Time Results

Deck-building tools have started building bracket estimation directly into the deck-list workflow. Command Tower, for example, includes a bracket advisor that looks at a decklist's contents and estimates where it likely sits on the official 1-5 scale before a single game has been played. That's a build-time estimate: it's reading the list, not the results.

A results-based deck rating is a different lens on the same underlying question, and TurnZero HQ actually covers both sides of it. Its deck power ranking (1-5) is derived from a deck's actual win/loss record at the table over time, a play-time measure. Separately, its AI-powered Rate My Deck reads a decklist directly, the same way a bracket advisor does, and returns a bracket estimate along with specific, card-by-card suggestions for tightening the list up. Neither approach is more "correct" than the other. One answers "what should this deck be capable of, on paper," and the other answers "what has this deck actually done." A deck can look strong on paper and underperform at the table, or the reverse, and all of these numbers are useful to have.

TurnZero HQ's Rate My Deck: an AI-generated bracket estimate that reads the decklist directly, with suggestions for where it could tighten up.

Frequently Asked Questions