What Is Commander?

Who this is for: anyone wondering what “Commander” (also called EDH) actually is and whether it’s for them. This is the on-ramp — high-level and inviting. Every detail here gets its own chapter later, and we link forward as we go.

🆕 New players: you don’t need to know any Magic yet. Start here, then read Magic Basics for the underlying game. 🔁 Returning players: if you drifted away in the 2000s, Commander barely existed in mainstream form back then. Treat this whole format as new since you left — it grew from a kitchen-table fan variant into the most popular way to play. 🎯 Commander-specific: this entire guide is the Commander-specific layer. This chapter sets the frame; the rest fills it in.

The one-paragraph version

Commander is a multiplayer, singleton Magic format built around a single legendary card you choose as your commander. You build a 100-card deck that fits inside your commander’s colors, start at a generous 40 life, and play — usually four players, every-player-for-themselves — until one person is left standing. It’s casual by default and social by design.

That’s the whole pitch. Now the pieces.

What makes Commander Commander

It’s multiplayer

The default game is a four-player free-for-all: everyone against everyone, no teams, last player standing wins. (Two-player and other counts work too, but the format is designed around a table of three to four.) This single fact shapes everything — deckbuilding, threat assessment, and the social negotiation covered in Multiplayer Politics.

🆕 New players: “free-for-all” means there are no fixed alliances. People will still team up in the moment against whoever’s ahead — that’s politics, not a rule.

Decks are singleton — one of each card

Aside from basic lands, your deck can contain only one copy of any card. This “singleton” rule means no four-of-a-kind power plays; every draw is different, and games rarely repeat. Deck construction is covered in Deckbuilding.

You pick a commander, and it defines your colors

Your commander is a legendary creature (with a recent expansion to certain other legendary cards — see The Commander). It starts in a special command zone, can be cast and recast from there all game, and its colors set your deck’s color identity — the boundary that every other card in your deck must fit inside. The commander is both your deck’s centerpiece and its build-around theme.

Higher starting life

Each player starts at 40 life, not the 20 of one-on-one Magic. Bigger life totals mean longer games, splashier plays, and room for the format’s signature swings. (There’s also a second way to be knocked out — 21 combat damage from a single commander — explained in Combat and Winning and Losing.)

Commander’s culture leans cooperative-until-someone’s-winning. The format is explicitly built for fun, conversation, and self-regulation rather than cutthroat optimization — though you can absolutely play it competitively. A lightweight bracket system and the “Rule 0” pre-game conversation help tables match power levels; both are covered in Brackets and Rule 0.

🎯 Commander-specific: “casual by default” is a real design goal, not just vibes. The official format is overseen by a Commander Format Panel that maintains the rules, the banned list, and the bracket framework.

Why it’s the most popular way to play

Put together — build-around-your-hero deckbuilding, singleton variety, a social multiplayer table, and a high life total that rewards big swingy turns — Commander hits a sweet spot that draws in new and lapsed players alike. It’s the format most people mean when they say “let’s play some Magic” today.

Where to go next

The underlying card game → Magic Basics
Your commander, the command zone, color identity, the tax → The Commander
Building your first 100 → Deckbuilding
Matching power levels at the table → Brackets and Rule 0
Any unfamiliar term → Glossary

Sources: format identity — multiplayer free-for-all, singleton, 100-card decks, legendary commander, color identity, and 40 starting life — paraphrases the official Commander format rules (SOURCES.md S2, S3). No rules text is quoted at length.