{{Redirect|Deck|the type of set|Starter Deck|and|Structure Deck|a list of Deck sets|Template:Decks}}[[File:Main_DeckMain Deck.png|thumb|A Main Deck in the anime.]]A Duelist's The '''Main Deck''' is (Japanese: メインのデッキ ''Mein no Dekki''), usually simply referred to as the pile of cards that is placed on '''Deck''' (デッキ{{NoteTag|Sometimes written as "山札" in the [[Deck Zone]]anime and manga. The Main Deck }} ''Dekki''), is, essentially, all the cards the Duelist will be playing with in a Duel. This Deck contains all pile of the cards (that a [[Trap Card|TrapDuelist]], can [[Spell CardDraw a card|Spelldraw]] and [[Monster Card|Monster]]) that the from during play. Each Duelist may use, excluding [[Fusion Monster|Fusion]], [[Synchro Monster|Synchro]], and [[Xyz Monster|Xyz]] monsters, which are kept uses his or her own Main Deck in a seperate "[[Extra Deck]]"Duel.

Most card effects that allow you search your When constructing a Deck , [[Monster Card|Monster]], [[Spell Card|Spell]], and select one or more card([[Trap Card]]s) normally include are placed in the Main Deck. [[Fusion Monster|Fusion]], [[Synchro Monster|Synchro]], [[shuffleXyz Monster|shufflingXyz]], and [[Link Monster]] your s are placed in the [[Extra Deck]]. If a player uses official [[Monster Token]], [[Counter]], or [[Field Center Card|Field Center]] cards, this is to maintain fair playthese must be stored separately as well.

To be legalWhen a [[Duel]] begins, the Main Deck must be between 40 to 60 is placed [[face-down]] in the [[Deck Zone]] of the [[field]]. All cards with most decks containing approximately 40 cards. Most experienced Duelists will argue that you should stick to in the minimum because it increases Main Deck must remain face-down during the chances of you drawing your best cardDuel (s). Another point of view is that unless a large Deck, with cards that allow you to search out ones you need ("card [[Terraformingeffect]]" or like "[[Dark Magic CurtainConvulsion of Nature]]"says otherwise) may also work well. If During a deck focuses on one strategyDuel, such as neither player may view the contents of either player's Deck unless a card effect allows them to, after which the Deck must be [[Burn shuffle]]d. Even if a card in the Deckis [[face-up]], and holds no real critical cards, then a lot of cards may it cannot be helpful for more 'ammo'. Certain cards like "[[Mystic Tomatolook]]" or "ed at by either player unless it is on top of the Deck, in which case it is [[Gold Sarcophaguspublic knowledge]]" are also more useful in a larger Deck.

== Construction restrictions ===== ''TCG''/''OCG'' ===* The Main Deck must contain only [[Legal]] cards.** [[Extra Deck]] cards cannot be placed in the Main Deck.** [[Monster Token|Token]], [[Counter]], and [[Side DeckField Center Card|Field Center]] each have an upward limit of 15 cards, but neither counts towards the count of the Main are not placed in any Deck.

Rulings from ==== Master Duel ========= Constructed Deck format =====* The Main Deck must contain 40 to 60 cards.* Up to three copies of any [[Unlimited]] card can be included across the player's Main Deck, [[Side Deck]], and [[Extra Deck]] (combined).** Up to 1 of each [[Limited]] card and up to 2 of each [[Semi-Limited]] card may be included in the player's Decks. [[Forbidden]] and [[Illegal]] cards cannot be included.** Cards that are [[Permanently treated as alternate name|permanently treated as having a different name]] are considered to be the same as that card for deck construction. Cards that are [[Treated as multiple names|permanently treated as having multiple names]] are counted as all of those names. ===== [[Sealed Format]] =====* The Deck must be constructed using only card product provided at the event.* The Main Deck can have a minimum of 20 cards. There is no maximum size.* There is no limit on the number of cards with the same name that can be included in the player's Decks. ==== [[Speed Duel]] ====* The Deck may only contain cards with the [[KonamiSpeed Duel Logo]] regarding .* Up to three copies of any [[Unlimited]] non-Skill Card can be included across the player's Main Deck , [[Side Deck]], and [[Extra Deck]] (combined). Additionally, the player can includeup to one Skill Card with their Deck (although Skill Cards are not placed in a Deck).** Up to one [[Limited 1]] card (in total), two [[Limited 2]] cards (in total), and three [[Limited 3]] cards (in total) can be included in the player's Decklist, including their Skill Card.* The Main Deck must contain 20 to 30 cards.** Even in Speed Duel Sealed Format, the Main Deck must still contain 20 to 30 cards.<ref>[https://img.yugioh-card.com/en/downloads/penalty_guide/Speed_Duel_Addendum_1.2_KDE-US.pdf Official KDE-US Yu-Gi-Oh! TRADING CARD GAME Tournament Policy Speed Duel Addendum] (March 11, 2022): IV. Sealed Deck Information</ref> === [[Yu-Gi-Oh! Rush Duel]] ===*No The Main Deck must contain only ''Yu-Gi-Oh! Rush Duel'' cards can .** [[Fusion Monster]]s cannot be placed below in the line Main Deck.* The Main Deck must contain 40 to 60 cards.* A Duelist may not have more than three copies of your any [[Unlimited]] card included in their Main Deck, [[Side Deck]], and [[Extra Deck]] combined.** If a [[Forbidden]], [[Limited]], or [[Semi-Limited]] List is used, the number of copies must not exceed those requirements.*You cannot turn it sidewaysThe Main Deck and Extra Deck combined can contain a maximum of 1 Legend Card of each card type ([[Monster Card|Monster]], [[Spell Card|Spell]], and [[Trap Card|Trap]]).<ref name="YGOrg 10-31-22">{{cite web | url = https://ygorganization.com/rush-duel-change-to-how-legends-work/ | title = <nowiki>[RUSH DUEL] Change To How Legends Work</nowiki> | author = NeoArkadia | website = The Organization | date = October 31, 2022 | accessdate = October 31, 2022}}</ref> == In other languages =={{In other languages| fr_name = Main Deck| de_name = Main Deck| it_name = Main Deck| pt_name = Deck Principal| es_name = Deck Principal| ja_name = メインのデッキ| ja_romaji = Mein no Dekki| ko_name = 메인 덱| ko_rr = Mein Dek| tc_name = 牌組| tc_pinyin = Páizǔ|sc_name=主牌组|sc_pinyin=Zhǔpáizǔ}} == Notes =={{NoteFoot}} == References ==<references />