How a Yu-Gi-Oh! Duel Works: Zones and Phases

A Yu-Gi-Oh! duel is easy to spot from across a room. Each player has a mat with marked spaces, and cards slide into those spaces as the game goes on. The layout is a big help to new players, because it shows you where everything belongs. This guide goes through the mat, the phases of a turn and the main ways to put monsters on the field.

The game is published by Konami, who also write the rulebook and keep it updated. What follows is a general overview in our own words. For exact timing rules, always check Konami's official rulebook, since the details can change.

Life Points, decks and your hand

Each player starts with Life Points, a number that shows how much damage you can take. The standard starting amount in the main game is 8000. You win by reducing the opponent's Life Points to zero. You also win if the opponent has to draw and has no cards left in their deck.

A few rare cards add a different route. The best-known is Exodia, which wins the duel on the spot if you gather all five of its pieces in your hand. For most duels, though, the plan is simple: get monsters onto the field, attack and drain the other player's total.

Your decks and your hand

You bring up to three groups of cards to a duel.

The Main Deck is the stack you draw from. Its size is limited to a range, with a minimum around forty cards. It can hold Monster, Spell and Trap cards.
The Extra Deck is a separate small stack of special monsters, such as Fusion, Synchro, Xyz and Link Monsters. You do not draw from it. You bring those monsters out with their own summoning methods. Our page on Extra Deck summoning explains the types.
Your hand starts at five cards, and it changes as you draw and play.

Extra Deck monsters have different card-frame colors, so you can tell them apart at a glance.

The playmat, zone by zone

The mat is a map. Each space has one job, and a card only works well in the right one. Here is the layout in general terms. The exact number and position of zones has changed across the years, so a modern mat may look a little different from an older one.

Monster Zones. A row of spaces, usually five, where your monsters sit. A monster here can be face up or face down, and either upright or sideways.
Spell & Trap Zones. A second row, also usually five spaces. Spells and Traps go here. Cards set face down wait for later.
Main Deck zone. Where your draw pile sits, face down.
Extra Deck zone. Where your special monsters wait, face down.
Graveyard. The pile for destroyed monsters and used Spells and Traps. Many cards care about what is inside it, and either player may look at it.
Field Zone. A single space for Field Spells, which change the whole battlefield with a lasting effect.
Banished area. Cards removed from the game for the rest of the duel go here, usually off to the side.

Some modern mats also include special areas for linked or Pendulum play. The rulebook explains how those work in the current version of the game.

The phases of a turn

A turn is a sequence of phases, and each phase has a purpose.

Draw Phase. You draw one card. The player who goes first does not draw on their first turn.
Standby Phase. A short pause. Some cards have effects that happen here, such as upkeep costs.
Main Phase 1. The big building step. You can summon monsters, set cards and play Spells.
Battle Phase. Your monsters can attack. You can skip this phase altogether.
Main Phase 2. You can do more of what you did in Main Phase 1, such as adding a monster or setting a Trap after you have seen how battle went.
End Phase. The turn wraps up. If you hold more than six cards, you discard down to six.

A common rule in duels is that the first player cannot attack on their very first turn. That gives the second player time to set up. Check the current rulebook for the details on your version.

Summoning monsters and battle positions

Putting a monster on the field is called a summon, and the game has several kinds. The basic ones are these.

Normal Summon and Set

You get one Normal Summon or Set per turn. A Normal Summon puts a monster face up in attack position. A Set puts it face down in defense position, hiding what it is. Only the weaker monsters can come out this way without a tribute, so a deck usually starts with low-Level monsters.

Tribute Summon

A monster's Level is shown by a row of stars on its card. Stronger monsters have higher Levels, and the game asks for a sacrifice in return, called a tribute. You send monsters you already control to the Graveyard, and the bigger one takes their place.

Levels 1 to 4 need no tribute.
Levels 5 and 6 need one tribute.
Levels 7 and above need two tributes.

This is the idea behind the early game's big monsters. See our page on Tribute Summoning for more. A Tribute Summon counts as your one Normal Summon for the turn.

Special Summon

A Special Summon is any summon that is not a Normal Summon, and it does not use up your one Normal Summon for the turn. Cards that say they can Special Summon a monster follow their own text. Fusion, Synchro, Xyz and Link monsters all come out by Special Summon. Our page on Fusion Summoning covers the oldest of these.

Attack and Defense positions

A monster on the field sits in one of two positions.

Attack Position. The card stands upright, face up. It can attack, and its attack number matters.
Defense Position. The card lies sideways, face up or face down. It cannot attack, and its defense number matters when it is attacked.

When one monster attacks another, the two numbers are compared. If an attacker meets a monster in attack position, the higher number wins, the weaker monster is destroyed, and the owner of the weaker monster loses Life Points equal to the difference. If the two numbers are equal, both monsters are destroyed. If the target is in defense position, your attack number is compared with its defense number. If your attack is higher, the defender is destroyed and no Life Points are lost, unless a card says otherwise. If your attack is lower, nothing is destroyed and you lose Life Points equal to the difference. If the numbers are equal, nothing happens. If no monster blocks the way, the attacker hits the player directly.

Changing positions normally happens once per monster per turn. A monster that was just summoned or set can usually not switch on that same turn.

Spells, Traps and responding with a chain

Spell and Trap cards shape the whole duel. Our page on Spell and Trap cards goes through the subtypes. Here is the key difference.

Spells are usually activated from your hand during your own Main Phase. Some stay on the field after they are played.
Traps are set face down first. You must wait until a later turn before you can activate them. They are often used in response to something your opponent does.

When a card is activated, the other player may respond. Each response is stacked on top of the last, and this pile is called a chain. The chain then resolves backwards, from the newest card to the oldest. It works like a stack of plates: the top one comes off first. This is why a well-timed Trap can stop a plan that looks like it is working.

A face-down card is also a bluff. Your opponent does not know whether it is a Trap, a Spell you set or nothing important, so they may play more carefully than they need to.

The Forbidden & Limited List

Some cards are strong enough to bend a game around them. To manage that, Konami keeps the Forbidden & Limited List. The idea is simple. Cards on the list can have restrictions on how many copies you may bring to a tournament deck: a card can be limited to a smaller number, or banned from the deck outright. The list is updated by Konami from time to time, so the exact contents change. Check the official source for the current version before you build a deck for organized play.

For new collectors, the useful point is that a card can be famous and still be restricted in organized play. That does not stop anyone from owning it or playing it with friends.

A worked example duel

Here is a short story using four famous cards, described generally. Check the real cards for their exact numbers and wording. Two players, Mia and Leo, begin a duel.

Mia's turn. She draws and looks at her hand. She holds Blue-Eyes White Dragon, a Level 8 Dragon, but she has no monsters yet. Level 8 needs two tributes, so she cannot bring it out. She Normal Summons a small monster in attack position and sets a card face down in her Spell and Trap Zone. That set card is a Trap. She ends her turn.

Leo's turn. He draws and plays Pot of Greed, a Spell that lets a player draw cards. It is a standard example of a simple, strong Spell, and it is one of the cards that shows why the Forbidden & Limited List exists. The extra cards help him find monsters. Over his first two turns he Normal Summons one small monster each turn. By his third turn he has two on the field. Dark Magician is Level 7, so it needs two tributes. Leo sends both small monsters to the Graveyard and Dark Magician takes the stage.

Leo moves to the Battle Phase and attacks Mia's small monster with his Dark Magician. Mia activates her face-down Trap, Mirror Force, in response. It is a Trap known for punishing a big attack. In general terms, it hits the attacker's side of the field. Leo's strong monster is destroyed, and his plan is over.

On her next turn, with the way cleared, Mia tributes two monsters and finally brings out Blue-Eyes White Dragon. This example shows several things at once: tribute costs, the value of a hidden Trap, the chain of response and the slow build of a duel.

Common beginner mistakes

Summoning more than once. You get one Normal Summon or Set per turn. Special Summons are separate.
Attacking into a set card without thinking. A face-down card on the opponent's side may be a Trap. Sometimes it is wise to wait.
Forgetting that Traps need a turn. A Trap you set this turn cannot be used until your opponent's turn at the earliest. Set it early.
Mixing up the tribute rule. One tribute for Levels 5 and 6, two for 7 and higher. Count the stars.
Putting every monster in attack position. A weak monster in attack position is easy to destroy. Defense is a real choice.
Skipping Main Phase 2. After a battle, you can still set a card or summon. Use it.
Ignoring the Graveyard. Many cards pull monsters back from it. Do not treat it as a trash can.

Where to go next

Now you know the zones, the phases and the summons. From here you can read cards with more confidence. These pages are a good next stop.