A Mega Evolutions booster box is the biggest sealed way to open Pokémon TCG: Mega Evolution, the 2025 expansion that started the Mega Evolution series and brought Mega Evolution Pokémon back to the card game. The set’s official name is singular, but plenty of collectors call the display a Mega Evolutions booster box, so that’s the name we use for it here.
This guide covers the set itself, what a full box and an 18-pack half box contain, the cards people chase most, and how a booster box compares with the booster bundle, three-pack blister, mini tins and Mega Latias ex Box. Everything has been checked against official announcements and the main card databases, and anything we couldn’t confirm has been left out.
What Is a Mega Evolutions Booster Box?
A booster box, which The Pokémon Company calls a Booster Display Box, is a sealed display of packs from a single expansion. For Mega Evolution, the standard English display holds 36 booster packs, and each pack contains 10 cards plus one Basic Energy. That’s what most people mean by a Mega Evolutions booster box: 360 cards from one set, with no sleeves, dice or other accessories taking up space.
Mega Evolution launched on 26 September 2025 in most regions. In Europe, the Middle East and Africa, which includes the UK, The Pokémon Company delayed the release by two weeks because of product delivery problems, so English product arrived here on 10 October 2025. It’s the first expansion of the Mega Evolution series, which follows the Scarlet & Violet series.
Because it opens a new series, a Mega Evolutions booster box is also a neat starting point for a collection. Later sets in the series, such as Phantasmal Flames, build on the same Mega ex rules, so this is where the story begins.
Mega Evolution Set Key Facts
Before you open a Mega Evolutions booster box, here are the basics of the set inside it.
- Full name: Pokémon TCG: Mega Evolution, listed under the set code MEG on Limitless TCG.
- Release date: 26 September 2025 in most regions, and 10 October 2025 in the UK, Europe, the Middle East and Africa.
- Set size: 188 cards, made up of 132 main set cards and 56 secret rares.
- Mega Evolution Pokémon ex: 10, each with a Double Rare version in the main set.
- Secret rares: 22 Illustration Rares, 22 Ultra Rares, 10 Special Illustration Rares and two Mega Hyper Rares.
- Japanese source sets: Mega Brave and Mega Symphonia, released in Japan on 1 August 2025.
- Booster pack: 10 cards plus one Basic Energy.
The official media alert from The Pokémon Company International confirmed the release date and the counts for Mega ex, Illustration Rares, Ultra Rares and Special Illustration Rares. The full rarity split comes from TCGplayer’s quick-facts guide and TCG Collector, and the EMEA delay is recorded on Bulbapedia’s Mega Evolution set page.
How Mega Evolution Pokémon ex Work
Mega Evolution Pokémon ex are the headline cards of the set. The official announcement says they have more HP and deal more damage than regular Pokémon ex, but when one is Knocked Out your opponent takes three Prize cards instead of two. That’s the trade-off: a Mega ex can hit very hard, but losing one hands over half of your six Prize cards.
They also work differently from the Mega Pokémon-EX of the XY era. There’s no separate Mega stage, and Mega Evolving doesn’t end your turn. A Mega ex is simply a Basic, Stage 1 or Stage 2 Pokémon. Mega Lucario ex evolves from Riolu, Mega Gardevoir ex is a Stage 2 that evolves from Kirlia, and Mega Latias ex is a Basic Pokémon that goes straight into play. Every Mega ex you pull from a Mega Evolutions booster box follows these same rules.
The set also changed what can appear as an Ultra Rare. Alongside Pokémon and Supporters, the full-art Ultra Rares include Item, Pokémon Tool and Stadium cards such as Rare Candy, Air Balloon and Mystery Garden. The Ultra Rare Mega ex cards use a new art style that can show a silhouette of the Pokémon’s regular form behind its Mega form.
What’s Inside a Mega Evolutions Booster Box
There are three display formats to know about. They all contain the same booster packs, so the difference is how many packs you get and whether there’s a bonus card on top.
The Standard 36-Pack Box
The standard English display contains 36 Mega Evolution booster packs. With 10 cards and one Basic Energy in each pack, a full Mega Evolutions booster box gives you 360 cards from the set to sort through, plus 36 Basic Energy. There are no promo cards in the standard display. Everything inside is packs, which is why a box is the most direct way to work through the card list.
The Enhanced Booster Display Box
Pokémon also released an Enhanced Booster Display Box. It holds the same 36 packs plus a bonus promo as a box topper: Bulbasaur 133/132, the Illustration Rare artwork with a “Mega Evolution” stamp. Apart from that stamped Bulbasaur, the contents match the standard display, so check the product name to see which version you’re buying.
The 18-Pack Half Box
Bulbapedia’s merchandise listing notes that half displays of 18 packs were released in European countries, and TCGplayer’s set guide lists the Half Booster Box at 18 packs too. A half Mega Evolutions booster box has the same packs as the full display, just half as many. We stock it as the English – Mega Evolution – Half Booster Box (18 Packs).
Mega Evolutions Booster Box or Half Box?
The choice comes down to how much of the set you want to open in one go. A full Mega Evolutions booster box gives you twice as many packs, so you’ll see more of the 132 main set cards and have more chances at the secret rares. A half box takes up less room and still feels like opening a proper display.
- Choose the full box if you want to build as much of the set as possible from packs, or you’re opening with friends.
- Choose the half box if you want the box-opening experience on a smaller scale.
- Remember with either that cards are randomly inserted. A box is a way to open lots of packs, not a way to get one specific card.
If you’d like the full-size option, our Pokémon TCG Mega Evolution ‘Booster Box’ listing is the place to start, and the product page shows exactly what’s included. You’ll find displays from other sets in our English booster boxes category.
How the Mega Evolution Card List Is Structured
The 132 main set cards are the Commons, Uncommons, Rares and Double Rares you’ll pull most often from a Mega Evolutions booster box. TCGplayer lists 67 Commons, 43 Uncommons, 12 Rares and 10 Double Rares, and every Double Rare is a Mega Evolution Pokémon ex.
Those ten Mega ex are Mega Venusaur ex (003), Mega Camerupt ex (022), Mega Abomasnow ex (036), Mega Manectric ex (050), Mega Gardevoir ex (060), Mega Lucario ex (077), Mega Absol ex (086), Mega Mawile ex (094), Mega Latias ex (100) and Mega Kangaskhan ex (104). Above 132, the numbering moves into the secret rares:
- 133–154, Illustration Rares: 22 full-art cards of non-ex Pokémon, starting with Bulbasaur and Ivysaur and including Shuckle, Inteleon, Marshadow, Spiritomb and Steelix.
- 155–176, Ultra Rares: full-art versions of all ten Mega ex, plus 12 Trainer cards such as Lillie’s Determination, Night Stretcher, Buddy-Buddy Poffin and Rare Candy.
- 177–186, Special Illustration Rares: six Mega ex (Venusaur, Gardevoir, Lucario, Absol, Latias and Kangaskhan) and four Supporters: Acerola’s Mischief, Lillie’s Determination, Lt. Surge’s Bargain and Wally’s Compassion.
- 187–188, Mega Hyper Rares: Mega Gardevoir ex and Mega Lucario ex, in the new top rarity introduced with this set.
A card numbered above 132 is always a secret rare, and the number tells you which tier it belongs to. That makes sorting a Mega Evolutions booster box much quicker once you know the ranges.
The 10 Best Mega Evolution Chase Cards
There’s no official ranking of chase cards, so treat this as our list of the cards collectors most associate with the set. These are the cards most people hope to see when they open a Mega Evolutions booster box. Numbers and rarities were checked against TCG Collector, PkmnCards and Limitless TCG, and Rare Candy’s chase list picks out the same Special Illustration Rares and Mega Hyper Rares. We’ve left out prices on purpose.
| Card | Number | Rarity |
|---|---|---|
| Mega Lucario ex | 188/132 | Mega Hyper Rare |
| Mega Gardevoir ex | 187/132 | Mega Hyper Rare |
| Mega Lucario ex | 179/132 | Special Illustration Rare |
| Mega Gardevoir ex | 178/132 | Special Illustration Rare |
| Mega Venusaur ex | 177/132 | Special Illustration Rare |
| Mega Latias ex | 181/132 | Special Illustration Rare |
| Mega Kangaskhan ex | 182/132 | Special Illustration Rare |
| Mega Absol ex | 180/132 | Special Illustration Rare |
| Lillie’s Determination | 184/132 | Special Illustration Rare |
| Acerola’s Mischief | 183/132 | Special Illustration Rare |
Mega Lucario ex and Mega Gardevoir ex
These two lead the set. They’re the faces of the two Elite Trainer Boxes, each has four versions in the English set (Double Rare, Ultra Rare, Special Illustration Rare and Mega Hyper Rare), and they’re the only Pokémon with a Mega Hyper Rare. Mega Lucario ex is a 340 HP Fighting Stage 1, while Mega Gardevoir ex is a 360 HP Psychic Stage 2.
Their Mega Hyper Rares close the set at 187 and 188. No Mega Evolutions booster box guarantees either of them, or any other card in the table above.
Mega Latias ex and the Other Special Illustration Rares
Mega Latias ex appears at 100 (Double Rare), 163 (Ultra Rare) and 181 (Special Illustration Rare), and it also has its own collection box with a promo version, which we cover below. The other Pokémon Special Illustration Rares are Mega Venusaur ex, Mega Absol ex and Mega Kangaskhan ex. The four Supporter Special Illustration Rares give Lillie, Acerola, Lt. Surge and Wally full-scene artwork.
Binder collectors often enjoy the 22 Illustration Rares just as much. They show regular Pokémon in full-art scenes, and collecting the whole run from 133 to 154 makes a lovely set of binder pages alongside the bigger hits.
Mega Evolutions Booster Box Alternatives
Not everyone needs a Mega Evolutions booster box. These are the other main English formats, with contents taken from the official product showcase, Bulbapedia and TCGplayer.
Booster Bundle
The English – Mega Evolutions – 6 pack booster bundle holds six booster packs and nothing else. It’s the smallest step up from single packs and a sensible way to try the set before committing to a box. Six bundles add up to 36 packs, the same number as a full Mega Evolutions booster box, but without the display.
Three-Pack Blister
The English – Mega Evolution – 3-Pack Blister contains three Mega Evolution booster packs and a promo card. There were two versions, one with a Psyduck promo and one with a Golduck promo. It’s a tidy gift for someone who doesn’t need a whole Mega Evolutions booster box.
Single Booster Packs
If you only want a pack or two, our English Pokémon Mega Evolutions Booster Pack listing is the same kind of pack that goes into every display: 10 cards and one Basic Energy.
Mega Heroes Mini Tins
The Mega Heroes mini tins came in five designs, each featuring a different Mega Evolution Pokémon. Every tin holds two booster packs, a sticker sheet and an art card, and the five art cards fit together to form one larger picture. Our Mega Heroes mini tin (random art) listing is sold with a random design. A tin is a small taste of the series rather than a substitute for a Mega Evolutions booster box, but it makes a nice stocking filler.
Mega Latias ex Box
The English – Mega Evolution Mega Latias – EX Box was released on 10 October 2025. It contains a foil Mega Latias ex promo (MEP 011), an oversize lenticular version of the same card, four booster packs and a code card. Bulbapedia notes the packs were typically a mix of Mega Evolution and Destined Rivals, so it also suits readers of our Destined Rivals buying guide.
Elite Trainer Box
There are two Elite Trainer Boxes, one featuring Mega Lucario and one featuring Mega Gardevoir. Each contains nine booster packs, a full-art foil promo (Riolu in the Mega Lucario box, Alakazam in the Mega Gardevoir box), 65 card sleeves, 40 Energy cards, a player’s guide, damage-counter dice, a coin-flip die, a plastic coin, a storage box with dividers and a code card.
The Pokémon Center version adds two more packs and a second promo with a Pokémon Center stamp. Compared with a Mega Evolutions booster box, an ETB has far fewer packs but gives you everything you need to start playing.
Japanese and Korean Mega Evolution Boxes
The English set combines cards from two Japanese expansions, Mega Brave and Mega Symphonia, released in Japan on 1 August 2025. In Japan they’re separate sets with their own booster boxes: Mega Lucario ex belongs to Mega Brave, and Mega Gardevoir ex and Mega Latias ex belong to Mega Symphonia. A Japanese box holds 30 packs of five cards, so it’s a different experience from an English Mega Evolutions booster box with its 10-card packs.
We stock the Japanese Pokémon Mega Brave Booster Box and the Japanese Pokémon Mega Symphonia Booster Box, as well as the Korean Pokémon Mega Brave Booster Box and the Korean Pokémon Mega Symphonia Booster Box. Bulbapedia lists the Korean release of both sets as 26 September 2025. Japanese and Korean cards have their own numbering, so a Japanese Mega Lucario ex won’t match the English 188/132.
How to Choose the Right Mega Evolution Product
- You want the most packs in one box: a full Mega Evolutions booster box with 36 packs.
- You want a box with fewer packs: the 18-pack half box.
- You want packs plus accessories: an Elite Trainer Box.
- You want a small gift: a mini tin, the three-pack blister or the Mega Latias ex Box.
- You want to try the set first: a booster bundle or a few single packs.
- You collect Japanese or Korean cards: a Mega Brave or Mega Symphonia box.
There’s no wrong answer, and plenty of collectors mix formats. Opening a Mega Evolutions booster box for the main set and picking up the Mega Latias ex Box for its promo is a common combination. Others open a Japanese box for the experience and save an English Mega Evolutions booster box to open with friends.
Tips for Opening a Mega Evolutions Booster Box
- Sort as you go. Put Commons, Uncommons and Rares in number order and keep Double Rares and secret rares to one side.
- Sleeve the hits straight away. Any card numbered above 132 should go into a sleeve and then a toploader or binder.
- Keep the Basic Energy. Every pack has one, and 36 of them make a handy start for building decks.
- Check numbers, not just artwork. Mega Lucario ex and Mega Gardevoir ex each have four versions, so the number tells you exactly which one you have.
- Store sealed product carefully. Keep any unopened Mega Evolutions booster box flat, dry and out of direct sunlight.
- Fill gaps with singles. Finishing a binder with a few single cards is usually simpler than opening more and more product.
Mega Evolutions Booster Box FAQs
How many packs are in a Mega Evolutions booster box?
The standard English display has 36 booster packs, each with 10 cards and one Basic Energy. The half box has 18 of the same packs.
What’s the difference between the standard and Enhanced booster box?
Both hold 36 packs. The Enhanced Booster Display Box also includes a Bulbasaur promo (133/132) with a “Mega Evolution” stamp as a box topper.
When was Mega Evolution released in the UK?
On 10 October 2025. It launched on 26 September 2025 in most regions, but the release in Europe, the Middle East and Africa was delayed by two weeks.
How many cards are in the Mega Evolution set?
188 cards: 132 in the main set and 56 secret rares, including two Mega Hyper Rares.
Is the set called Mega Evolution or Mega Evolutions?
The official name is Mega Evolution. Many people say Mega Evolutions, which is why you’ll see both names on product listings, including ours.
Does a Mega Evolutions booster box guarantee a Mega Hyper Rare?
No. Cards are randomly inserted, so no box guarantees a particular card or rarity.
Where to Buy a Mega Evolutions Booster Box in the UK
You can shop the set at Obsidia TCG in English, Japanese and Korean. For the full display, start with the Pokémon TCG Mega Evolution ‘Booster Box’, or choose the English – Mega Evolution – Half Booster Box (18 Packs) for a smaller Mega Evolutions booster box. For a lighter way in, the English – Mega Evolutions – 6 pack booster bundle is six packs and nothing else.
Once you’ve opened the first set, our Mega Charizard X ex guide covers the star of Phantasmal Flames, the second main expansion in the series. You’ll find more guides on the Obsidia TCG blog, and if you have a question about any product, email us at sales@obsidiatcg.co.uk.
