What Is Commander Damage?

The Rule, Plainly

In Commander, every player has a commander, a legendary creature that starts the game in a special zone and can be cast from there. When a commander deals combat damage to a player, that damage counts toward two separate totals: it subtracts from the player's life total like any other combat damage, and it also accumulates as "commander damage" specifically credited to that commander against that player.

If a single commander deals a player 21 or more combat damage in total, across any number of turns, that player loses the game immediately, even if their life total is still 30, 40, or higher. It's a separate loss condition layered on top of the normal "life total hits 0" rule, not a replacement for it.

You

40 33 26 12 Life

You lose

Commanders that have hit you

0 7 21 of 21

+7

0 7 of 21

+7

1. 1 You're on 40 Nothing has connected yet.
2. 2 One commander hits for 7 Life 40 to 33 — and 7 recorded against that commander.
3. 3 A different one hits for 7 Life 26. The two tallies do not add together.
4. 4 The first hits twice more Life 12, and that commander is now on 21.
5. 5 You lose, on 12 life 21 from a single commander ends it whatever your life total says.

↻ Replay

It's Tracked Per Commander, Per Opponent

The part that trips people up: commander damage doesn't pool into one shared number. You track how much damage your commander has dealt to each opponent, separately for every opponent. And as the player taking hits, you track how much damage you've taken from each opponent's commander, separately for each of them. Fifteen damage from one opponent's commander and ten from another's doesn't combine into 25. Neither has crossed 21, so neither kills you on its own.

If a player has two commanders (a partner pair), each of those commanders' damage is also tracked separately against each opponent. So a four-player pod where everyone runs partners can mean tracking a fairly large grid of numbers by the midgame.

This matters most in multiplayer pods. A 1v1 game only has one opponent's commander to watch. A three- or four-opponent Commander table means tracking commander damage from three or four separate sources at once, on top of everyone's life totals, and it's easy to lose track of exactly how much a specific commander has hit you for once a game runs past turn eight or nine.

Why Apps Handle This Better Than Mental Math

At a full table, commander damage is the stat most likely to get fudged. Life totals are one running number per player, easy to track on a d20 or notepad. Commander damage is a grid: every player times every opponent's commander, and it only takes one missed attack or one distracted turn for the numbers to drift from what actually happened. A dedicated tracker keeps that grid explicit instead of asking someone to hold it in their head.

TurnZero HQ, for example, tracks commander damage separately from life loss and breaks it out by attacker, so each player can see exactly how close they are to 21 from any single commander without doing the subtraction themselves mid-combat.

Frequently Asked Questions