Commander tool
Commander Bracket Calculator
Answer five questions to see the lowest Commander Bracket your deck fits. Brackets are a pregame conversation tool from Wizards of the Coast, not a rules engine, so use the result as a starting point for Rule 0.
What this checks, and what it does not
It applies the Game Changers limit (none in Brackets 1 and 2, up to three in Bracket 3, unlimited in 4 and 5), the mass land denial restriction, the two-card combo restrictions and each bracket's turn anchor. It does not check extra-turn rules, tutors or the banned list, and it does not know which cards are on the Game Changers list, because Wizards updates that list every few months. Check the official Commander Brackets announcement for the current list.
Want the reasoning behind each bracket? Read Commander Brackets explained, or learn what Rule 0 means.