Glossary

Every term mtgmatic uses, in plain English.

Bracket: Commander's power scale, 1 to 5, from a themed Exhibition deck up to tournament cEDH. It's how you tell the table what kind of game to expect. Brackets are self-assigned: we estimate one from the cards a deck plays, and the owner has the final say.
Card count: A Commander deck is exactly 100 cards, and your commander is one of them.
Cheapest printing: Most cards have been printed in several sets at different prices. These numbers come from the cheapest normal printing we can find, which may not be the one pictured.
Color identity: Every mana symbol on a card, including the ones in its rules text, sets its color identity. In Commander, each card in your deck must fit inside your commander's color identity.
Commander: The legendary creature your deck is built around. It starts in the command zone, you can cast it whenever you could cast a creature, and it returns there each time it dies.
Cost to complete: What you would still spend to finish this deck, counting only the cards you don't already have in your collection.
Deck value: What the whole deck would cost to buy today, using the cheapest normal printing of each card.
EDHREC rank: How popular the card is in Commander decks worldwide, according to EDHREC. A lower number means more people play it.
Keywords: Shorthand for rules a card would otherwise have to spell out. “Flying”, “Trample” and “Ward” each stand for a paragraph of rules text. Tap any keyword to read what it does.
Legality: Whether the deck follows Commander's rules: exactly 100 cards, only one copy of any card except basic lands, everything inside your commander's color identity, and nothing on the banned list.
Mana cost: What you pay to cast the card. A colored pip needs one mana of that color; a number means that many mana of any kind.
Mana curve: How many cards you have at each mana value. A smooth curve means you usually have something worth casting on every turn.
Mana value: The total mana a card costs, whatever the colors. A cost of {2}{G}{G} has a mana value of 4.
Maybeboard: A shortlist. Cards you're considering but haven't committed to — they don't count toward your 100.
Playable vs AI: How many of this deck's cards our rules engine can play right now. Playtest is in beta — the card pool grows every week, and a deck needs all 100 supported before you can take it into a game.
Power / toughness: How much damage a creature deals in combat, and how much damage it can take in one turn before it dies.
Proxy: A printed stand-in for a card you don't own, for playtesting at home. Proxies aren't legal in sanctioned tournaments and must never be sold.
Rarity: How often the card turned up in booster packs. It drives price, not power — plenty of commons are Commander staples.
Tokens: Cards that create tokens need those tokens present at the table. This is every token this deck can make, so you know what to bring.
Type line: What the card is. Its card types come first, then any subtypes after the dash.