Like most TCGs, Yu-Gi-Oh cards are printed with a variety of different cosmetic effects.

You can find cards with foil names, holofoil art, and some with a refractive coating over the entire surface of the card. We typically refer to these effects as the 'rarity' of a card, and typically 'higher' rarities are reserved for the harder-to-pull cards in each set. That said, a Common might be the most frequent card pulled from a "core" or quarterly tentpole booster packs, but an Ultra Rare might be the most frequent card in a non-core booster if that booster is an all-foil release.

There are two things to keep in mind when you're buying or selling cards: you'll need an understanding of how rarities are distributed in a given set, and you'll need to identify each rarity visually. The first part is easy: a quick search of a card's set identifier–those letters and numbers on the right side of the card below the numbers–will give you an idea of which rarities are present in each release, and how many of them are distributed in each pack.

But identifying rarities by sight can be a challenge. We'll break down the most common rarities in the game, plus a few extras that you might come across as you're appraising a card or collection.

Core Set Booster Rarities

Yu-Gi-Oh releases four core booster packs each year, and for the most part they follow the same rarity distribution. There have been some changes to which rarities appear in each booster, and we'll talk about those in the next section.

Common
You can think of Commons as the 'base' Yu-Gi-Oh card. They have none of the fancy lettering or foil that you'll see on higher rarities. Commons represent half of all cards in a modern core booster, although some Commons are slightly tougher to find than others. Those are 'Short Print' Commons and they're unmarked in Konami's official card database. Note that Short Prints don't exist in every set.

Super Rare
Every core booster pack's guaranteed to contain at least a Super Rare, in addition to eight Commons. Modern Super Rares have holofoil artwork, Level, and Attribute icons. Older Super Rares will only have holofoil artwork.

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Ultra Rare
Ultra Rares are identical to Super Rares, but they have gold foil lettering on the card name.

Secret Rare
A Secret Rare has a rainbow-colored foil that's applied to the artwork, card name, Attribute, and Level.

Starlight Rare
Each Starlight Rare has a horizontal, lattice or grid-like holographic pattern applied over the majority of the card face, including the card border. You can see a full living index of all the Starlight Rares printed so far, over here in the TCGplayer Marketplace.

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Retired Core Set Booster Rarities

These rarities were once staples of core booster packs, but were removed over time. They still make appearances in other modern releases, but you won't find them in quarterly boosters.

Rare
Previously, Rares were the bottom rung guarantee in each core booster pack. These cards have a silver foil name stamp and no other embellishments.

Ultimate Rare
The design of Ultimate Rares has also changed over time. These cards look like Ultra Rares with gold names, foil artwork, Attribute, and Level. However, they also have an embossed effect applied to the artwork, Attribute, Level, and even the card border in more recent printings. You can see the majority of the game's Ultimate Rares in the Marketplace here, though card scans rarely do them justice.

Ghost Rare
Ghost Rares have a silvery-white name and a unique 3D holographic effect applied to the card art.

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Set-Specific Rarities

There are many rarities that show up outside of core boosters, and some that are unique to a specific product or series of releases.

Gold Rare
There are a few different variants of Gold Rare, including Gold Secret Rare, Gold Ghost Rare, and Premium Gold Rare. These rarities are exclusive to the Gold Series product line and are easily identifiable by their gold-colored borders.

The base Gold Rare has a gold name, gold art and card borders, and a holographic image. Gold Secrets are identical, but with a Secret Rare pattern applied over the name and the artwork. Gold Ghost Rares have a Ghost Rare-style image in addition to gold card borders, while the Premium Gold Rare- currently only found in Maximum Gold -has an embossed gold effect applied to the card border, icons, and elements of the artwork.

Colorful Rares and Colorful Ultra Rares
You'll find some Rares with a foil name stamp in colors other than silver. These cards were created for the Duelist League, a local level organized play program that's no longer offered. You'll also find Ultra Rares that have name stamps in colors other than the standard gold, from sets like Legendary Duelists: Season 2. Those color variants are typically identified in the product name in listings on TCGplayer.

Collector's Rare
First appearing in Toon Chaos in 2020, the chase premium Collector's Rare rarity looks like a more muted version of a Platinum Secret Rare.  The border, image, Level/Rank, and Attribute of these cards has a rainbow-colored pattern along with a Secret Rare-style name. Collector's Rare cards also have a slightly raised texture with an engraved appearance, similar to an Ultimate Rare.  The texture of the foil on these cards isn't consistently oriented in one direction, which gives the Collector's Rare pattern a unique appearance that many compare to fingerprints.

Prismatic Secret Rare
The Secret-rare style of the Prismatic Secret Rare has a lattice or grid-like layout much like Starlight Rares, but the effect is only applied to the card's artwork.

Platinum Rare
The Platinum Rare has a foil that covers almost the entirety of a card outside of the text box, plus a secret rare-style card name. This foil finish was exclusive to cards in the Noble Knights of the Round Table Box Set.

Platinum Secret Rare
Exclusive to the 2014 and 2015 Mega-Tin Promos, these cards are covered in a platinum-colored Secret Rare-style foil on the artwork, card borders, Level, and Attribute.

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Parallel Rares

Parallel Rares are identical to their non-parallel counterparts, but feature a coating over the surface of the card. This coating may have different patterns depending on the type of rare. Otherwise, they follow the same style as other rares of the same type.

You'll find these cards in sets like Duel Terminal, Battle Pack 2: War of the Giants, and Star Packs. Parallel Common, Rare, Super Rare, Ultra Rare, and Secret Rare cards typically come with a dotted, shatterfoil, mosaic, or other unique design applied to the entire card in the form of a non-foil film bonded to the top layer of the card. The designs may change depending on the release, but the underlying card rarity is always the same.

Unique Rarities

There are some cards that hold exclusive rarities, like the Astral Glyph version of Number 39: Utopia (Astral), and Ten Thousand Dragon. These cards are typically listed on TCGplayer under the closest comparable rarity, or under their own unique rarity as with Ten Thousand Dragon.

Remember that you can usually reference the official database for card rarities. You'll occasionally find some that aren't listed, and in that case this list should help you identify your cards.

Yu-Gi-Oh has changed its rarity scheme for core sets in the past and will likely continue to do so, so regularly checking the official Konami card database or set lists here on TCGplayer is a great way to keep yourself informed!