How To Build A Sealed Deck: MTG Guide

January 20, 2023 · Your Playmat

MTG TCG is one of the most popular card games on the planet. At the moment, the fan base has millions of players.

And the desktop version allows you to play with monsters and spells without big budgets. Now, many Magic: The Gathering players enjoy trying new game formats. This allows them to maintain interest and learn new strategic skills.

One such game format is the Magic sealed deck.

With this game format, you can take your game to a new level. But for many players, this may seem new and challenging. To do this, you need to learn how to build a deck. This includes the MTG sealed deck rules for selecting monsters, lands, and spells. Keeping the game cards balanced is also important, so your fight is intense and exciting.

Our article will tell you about this and other details of building such a deck. Stay with us, read the article to the end and get new knowledge and emotions from playing MTG.

Introduction To Sealed Deck Construction: What It Is And Why It’s Important

Magic sealed deck construction is a popular tournament format in MTG. The players get a certain number of booster packs and must build a deck using only the cards they open. The idea behind sealed deck construction is to provide a level playing field for all players. It should be regardless of their collection or experience level.

Magic sealed deck construction is an important format in Magic: The Gathering. It's because it allows players to experience the excitement of opening new cards. And they train in building decks on the spot. It also helps to develop skills such as deck building, card evaluation, and limited play.

Each player will receive a number of booster packs in a sealed deck tournament. They can open and use them to construct their deck. Then they will have a certain amount of time to build their deck and play in a tournament against other players.

Magic sealed deck construction is a great way for new players to learn the game. Experienced players, they can test their skills in a different format. It also provides a way for players to experience a variety of cards and strategies. Those, by the way, may not be available in their current collection.

You can find sealed deck tournaments in:

  • Local game stores;
  • Conventions;
  • Online.

It's a fun and dynamic format. It allows players to showcase their skills in a different environment.

The Basics Of Building A Sealed Deck In MTG

building sealed deck in mtg

Building a Magic sealed deck in MTG involves several key steps:

  • Open and sort your cards: Once you have your pool of cards, take some time to go through them and sort them by color and type. This will make it easier to check your options and identify potential strategies;
  • Check your commons and uncommons. These cards make up most of your deck and are the backbone of your strategy. Look for efficient cards that can help you control the board or generate card advantage;
  • Determine your color. According to MTG sealed rules, the first step in determining your color is to look at the number of playable cards in each color. But you should also consider the power level of the cards and the synergy between them;
  • Identify your bombs and removal spells. These are the most powerful cards in your pool and will often be the cards that you build your deck around;
  • Fill out your deck. After identifying your bombs and removal spells, fill out the rest of your deck. Use creatures and other spells. They should be used to support your strategy;
  • Sideboard. Look at the cards you have left and pick 15 cards that you think would be useful against certain decks;
  • Playtesting. Practice playing your set against other Magic sealed decks. It helps identify any weaknesses and test out different card choices.

Building a sealed deck is a challenging process. Be flexible and willing to adjust your strategy as you playtest and learn more about the format.

Analyzing Your Card Pool: Tips And Tricks For Evaluating The Strength Of Your Cards

According to MTG sealed rules, building a strong MTG deck requires evaluating individual cards' strength. You should consider it in the context of the strategy of the deck. Here is a step-by-step guide on how to check the strength of MTG cards for building a strong deck:

  • Identify the strategy of the deck. You should focus on a specific win condition. It can be attacking creatures, controlling the board, or playing a combo;
  • Check the card's mana cost. Cards with a low mana cost are generally more powerful early in the game. While cards with a high mana cost are more powerful later in the game;
  • Check the card's abilities. Consider how the card's abilities interact with the strategy of the deck. And how you can use them to achieve the win condition;
  • Check the card's synergy with other cards in the deck. A card that works well with other cards in the deck will be more valuable than a card that doesn't;
  • Consider the card's versatility. According to MTG sealed rules, a card that can be used in many ways or situations will be more valuable;
  • Look at the card's potential to generate card advantage. A card that lets you draw extra cards or create tokens will be more powerful than one that doesn't;
  • Check the card's utility. A card that can be a removal spell, a protection spell, or a way to gain life, will be more valuable. Don't stick with a card that does only one thing;
  • Consider the card's potential to disrupt the opponent's strategy. A card that can counter an opponent's spell, or destroy an opponent's creature, will be useful;
  • Check the card in the context of the current metagame. A card that is powerful in the current metagame will be more valuable than one that isn't.

Choosing Your Colors And Strategies: Deciding On A Game Plan For Your Sealed Deck

In Magic: The Gathering (MTG), finding the game plan for a battle is essential to achieving victory. A game plan is a strategy or set of strategies that a player uses to win the game. There are several steps that players can take to find their game plan for a battle in MTG.


The first MTG sealed deck tip is understanding the current metagame. The metagame is the current state of the game. It includes:

  • The types of decks that are popular;
  • The strategies that are being used;
  • The cards that are being played.

All this helps players expect the strategies that their opponents may use. For example, if control decks dominate the metagame, a player may want to build a deck that can beat control decks by playing a more aggressive strategy.

Win condition

The next step in finding a game plan is to identify the deck's win condition. The win condition is the specific strategy a player uses to win the game. For example, a player may use a control deck that aims to control the board. And it slowly grinds out the opponent's resources.

Or a player may use a combo deck that aims to assemble a specific combination of cards to win the game quickly.

Identifying the win condition of the deck can help players focus their strategies. And it helps make better decisions in the game.

Card individuals

Once a player has identified the deck's win condition, they can check the individual cards in the deck. These MTG sealed deck tips involve:

  • Assessing the mana cost;
  • Abilities;
  • Synergy with other cards;
  • Versatility;
  • Potential to generate card advantage;
  • Utility;
  • Potential to disrupt the opponent's strategy of each card.

This way, players can determine which cards are most important to the win condition. And it helps to find out which cards may be less important or even unnecessary.

Opponent’s strategy

Another important step for MTG sealed format is understanding the opponent's strategy. This can be done by:

  • Observing the opponent's actions;
  • Studying the opponent's decklist;
  • Predicting the opponent's plays.

By understanding the opponent's strategy, a player can expect the opponent's moves. And they can make adjustments to their strategy accordingly.

For example, if the opponent is playing a control deck, a player may want to play more aggressively to put pressure on the opponent and force them to make mistakes.


Finally, a player should also consider their play style. A player should understand their strengths and weaknesses. This way, they can build their game plan around that. Players who like playing control decks should consider building a control deck. It can play to their strengths. Similarly, players that like an aggressive playstyle can build an aggressive deck.

Balancing Your Sealed Deck: Finding The Right Mix Of Creatures, Spells, And Lands

The general rule of thumb in an MTG sealed draft deck is to have a balance of creatures, spells, and lands in your deck.

A good starting point is to aim for around 17 lands and 12-14 creatures. And the remaining slots can be for spells. But the exact ratio may vary depending on your pool's specific cards and colors.

Additionally, it's vital to have a good balance of mana sources. It ensures that you can consistently cast your spells.

Remember! If you like an aggressive game mode, you need more creatures to attack.

But games with MTG sealed draft decks are very long. This is because they are quite equal in strength. Decks are unlikely to have the right number of copies or critical mass of cards to fulfill an optimized game plan based on synergy.

Crafting A Cohesive Sealed Deck: Putting It All Together And Making Thge Most Of Your Cards

Once you have collected all your cards in one deck, you can use your set against your opponents. But do not rush to brag about your deck in front of experienced players.

Before a big fight with a Magic sealed deck, you should test it with local players or friends. You mustn’t win every fight, but your deck must be strong enough. Also, even in case of a defeat, your set of cards should pose a significant threat to your opponent.

And only after that can you use your deck both in tournaments and online games.

It is also important to ensure that your deck does not contain banned cards before your fight. Banned cards make unbalanced game conditions and often result in boring play. The use of banned cards is illegal, and you can get disqualified.

Advanced Sealed Deck Building Techniques: Taking Your Skills To The Next Level

When building an MTG sealed draft deck in MTG, there are advanced techniques. They can help take your skills to the next level. Here are some advanced techniques to consider when building your sealed deck:

  • Look for card synergies. Look for cards that work well together in your deck. It can be creatures with powerful abilities or spells that complement each other. This can help create a cohesive and powerful deck;
  • Consider the curve. Look at your cards' converted mana cost (CMC) and ensure you have a good balance of low, medium, and high CMC cards. This will help ensure a smooth and consistent mana curve;
  • Play to your strengths. Look for cards that match your playing style, and build a deck that plays to your strengths;
  • Sideboard plan. Consider how you will sideboard for different match-ups and build your sideboard accordingly;
  • Pay attention to the MTG sealed format. Familiarize yourself with the format and adjust your deck accordingly;
  • Be adaptable. Be open to different strategies and archetypes. Don't stick to a certain archetype or strategy if it's not workable with your cards.

Common Mistakes To Avoid When Building A Sealed Deck In MTG

mtg sealed deck cards

Building a sealed deck in MTG can be challenging. But there are a few common mistakes to avoid to increase your chances of success:

  • Not having enough land. One of the most common mistakes players make when building an MTG sealed draft deck is not having enough land. Players need lands to support the colors of their spells and creatures. Include enough lands in your deck to ensure you can play your spells and creatures on time;
  • Playing with too many colors. Trying to play with as many colors as possible can be tempting. But playing like that leads to inconsistency and mana screw. Stick to 2-3 colors for the best chance of success;
  • Not having a clear game plan. It's important to have a clear game plan in mind when building your sealed deck. Identify what type of strategy you want to use and make sure your deck supports that strategy;
  • Not playing enough creatures. Creatures are important in MTG as they allow you to attack your opponent and control the board. Ensure you have enough creatures in your deck to pressure your opponent;
  • Not considering the MTG sealed format. Sealed deck formats can vary. It depends on the tournament or event. So make sure you are familiar with the format and adjust your deck accordingly;
  • Not being flexible. Building a sealed deck can be challenging, and you may not get the cards you want. Be flexible and adapt to what you have. Don't stick to a certain archetype or strategy if it's not workable with your cards.

Examples Of Successful Sealed Decks And What Made Them Work

Let's look at some of the best-sealed decks for MTG. Among them:

  • Expert. This mechanic is so strong but can put you at a disadvantage on your next turn. This can present the player with a difficult decision in combat;
  • Embalm. With this mechanic, you can use graveyard mechs. You will also be able to return creatures to the battlefield. This will help you deal extra damage to your opponents;
  • Aftermath. This mechanic is somewhat like splitting cards. You just have to play it for its value.

Remember that MTG sealed format allows for many unique decks and variations. With this approach, you can create unique decks with the same cards. This will allow you to save money on buying new cards and maintain interest in the game.

Wrapping Up

As you can see, building a great sealed deck is quite a challenge if you don't know all the key points. And with our informative guide, you can build the most fun and thoughtful decks to play with friends. But do not forget that even the strongest cards can wear out with many sessions. To prevent it, it is necessary to protect them from damage. Consider putting your favorite and valuable cards in card sleeves. With this protector, you can secure your cards from:

With this method, your collections will serve you for years without a single scratch.


How Many Booster Packs Do I Need To Build A Sealed Deck?

The number of booster packs required to build a sealed deck can vary. It depends on the tournament or event. Typically, players will be given 6-8 booster packs to build their deck.

How Do I Build A Good MTG Sealed Deck?

Building a good sealed deck can be challenging. But there are a few key strategies to keep in mind. First, focus on building a balanced deck with a mix of creatures, spells, and lands. Second, pay attention to the color balance of your deck. And make sure you have enough lands to support the colors of your spells and creatures.

Third, look for powerful rare and mythic cards that can give you an edge in the tournament.

What Are The Best Cards To Look For When Building A MTG Sealed Deck? 

The best cards to look for when building a sealed deck will depend on the specific set you are building with. But generally, powerful rares and mythics are good choices. Also, look for cards that can help you fix your mana, removal spells, and also creatures that are hard to block.

How Many Colors Should I Play In My MTG Sealed Deck?

The number of colors you should play in your sealed deck will depend on your specific cards. Ideally, you should play between 2-3 colors. But it's important to consider the number of dual lands or color-fixing spells you have available.