Pokémon Delta Reign: All information about Delta Reign and Mega Rayquaza ex

Pokémon Delta Herrschaft is one of the most exciting upcoming sets of the Mega-Entwicklung era in the Pokémon Trading card game. Internationally, the expansion is released under the name Pokémon TCG: Mega Evolution – Delta Reign. In Japan, the set is based on Storm Emeralda, which is released earlier and offers a first look at many of the cards and themes.

Mega-Rayquaza-ex is at the center. This gives one of the most popular Legendary Pokémon a major role in the Pokémon TCG once again. For Collectors, that is a strong signal right away, because Rayquaza has been one of the Pokémon attracting particular attention for years through special cards, powerful artwork, and rare variants.

In this article, you will get a concise overview of Pokémon Delta Herrschaft, the English name Delta Reign, the Japanese version Storm Emeralda, the release, and the set's highlights known so far.

What is Pokémon Delta Herrschaft?

Delta Herrschaft is the German version of the international Pokémon TCG set Delta Reign. The full English title is Mega Evolution – Delta Reign. This makes the expansion part of the Mega-Entwicklung series, in which Mega Pokémon-ex once again play a central role.

The Japanese foundation is Storm Emeralda. This set is released earlier in Japan and already shows the direction Delta Reign is taking. As with many Pokémon releases, Japanese sets often offer an early look at later German and English expansions.

Several terms are therefore important when searching for the set: Pokémon Delta Herrschaft, Pokémon Delta Reign, Mega Evolution Delta Reign, Storm Emeralda, and of course Mega-Rayquaza-ex.

The key information about Delta Reign at a glance

• German Name: Delta Herrschaft
• English Name: Mega Evolution – Delta Reign
• Japanese Set: Storm Emeralda
• Japanese Release: July 31, 2026
• International Release: November 6, 2026
• Featured Pokémon: Mega-Rayquaza-ex
• Series: Mega-Entwicklung

Not every card in the German and English versions has been officially confirmed yet. Nevertheless, Storm Emeralda already makes it clear that Delta Reign focuses heavily on Mega-Rayquaza-ex, building up Energy, high damage numbers, and special Stadium cards.

Mega-Rayquaza-ex as the centerpiece of the set

The most important name in Delta Reign is clear: Mega-Rayquaza-ex. Rayquaza has always been one of the most popular Legendary Pokémon in the Trading card game. Cards featuring Rayquaza, Mega-Rayquaza, and powerful dragon artwork in particular often hold a special place among Collectors.

Mega-Rayquaza-ex has already been revealed in Storm Emeralda. The card uses Fire and Lightning Energy as part of its strategy and can therefore reach very high damage values. This suits Rayquaza well, as the Pokémon has always represented immense power, the sky, storms, and a special connection to Groudon and Kyogre.

For Delta Reign and Delta Herrschaft, Mega-Rayquaza-ex will therefore likely be important not only from a gameplay perspective. It will probably also be one of the set’s most important cards for Collectors, especially if it receives special illustrations, Full Arts, or other rare variants.

Storm Emeralda: The Japanese source set

If you want to understand Delta Herrschaft, it is worth taking a look at Storm Emeralda. The Japanese set will be released on July 31, 2026, and is the most important basis for the later German and English versions.

The name Storm Emeralda clearly plays on the themes of storms, the sky, and Rayquaza. At the same time, it is reminiscent of Pokémon Emerald, where Rayquaza plays a central role in the story surrounding Groudon and Kyogre. For many fans, this connection is especially exciting because it combines strong nostalgia with the new Mega-Entwicklung era.

Japanese products are often particularly interesting to Collectors because they are released earlier and offer a first look at cards, artwork, and potential highlights. So anyone who can hardly wait for Delta Reign or Delta Herrschaft will probably be following Storm Emeralda especially closely.

The split Stadium card

One of the most exciting features known so far is a split Stadium card. Storm Emeralda revealed that two matching card halves can be combined to bring a complete Stadium into play.

This is a striking idea for the Pokémon TCG because Stadium cards are normally played as individual cards. A split Stadium card therefore immediately feels special and is somewhat reminiscent of earlier card concepts in which two card parts combined to form a larger whole.

From a gameplay perspective, this kind of mechanic could be interesting because you have to find both parts and bring them together. At the same time, the effect may be powerful enough to justify that effort. Exactly how this idea will be implemented in Delta Herrschaft in German will become clear with the official German cards.

Which cards have already been revealed?

Alongside Mega-Rayquaza-ex, additional cards from Storm Emeralda have already been revealed in Japan that will very likely also be relevant for Delta Reign and Delta Herrschaft. These include cards focused on building up Energy, supporting Mega-Rayquaza-ex, and additional Pokémon-ex.

Among the cards specifically mentioned were Fiaro-ex, Abenteuerlaterne, cards related to Mega-Rayquaza and other Pokémon that give the set greater gameplay variety. Cards such as Mega-Tectass-ex and other new Mega-Entwicklung-Pokémon were also shown in connection with Storm Emeralda.

However, it is important to note that as long as the complete German and English card list has not been officially released, individual cards should be treated with caution. Japanese templates usually provide a very good indication, but international sets can differ in structure and card count.

Why Delta Herrschaft Is Exciting for Collectors

For Collectors, Pokémon Delta Herrschaft has several strong arguments in its favor. The most important is, of course, Mega-Rayquaza-ex. Rayquaza is a fan favorite, and large Rayquaza sets almost always attract a great deal of attention.

There is also the connection to Storm Emeralda. Japanese cards from this set will probably be in demand early on because they offer the first access to the new Rayquaza artwork. Later, the German and English cards from Delta Herrschaft and Delta Reign will become interesting to many collectors.

The Mega-Entwicklung era itself also plays a role. Mega-Pokémon-ex bring back a strong sense of nostalgia, especially for fans of the XY era. If Delta Herrschaft receives good illustrations and special rarities, the set could become one of the most striking Pokémon releases of late 2026.

For Players: What could Delta Reign bring from a gameplay perspective?

From a gameplay perspective, much currently suggests that Delta Herrschaft revolves heavily around Energy, high damage values and Mega-Entwicklung-Pokémon-ex. Mega-Rayquaza-ex appears to be at the center of it and benefits from cards that support Fire and Lightning Energy.

The two-part Stadium card could also become important if its effect is strong enough. Cards that offset the disadvantage of Mega-Pokémon-ex or make their strategy more consistent could be particularly relevant for decks.

However, it is still too early to make reliable statements about the meta. Only once the complete card list and the official German and English card texts are known will it be possible to better assess whether Delta Herrschaft will also play a major competitive role.

Which products will be released for Delta Herrschaft?

The complete international product line for Delta Herrschaft and Delta Reign is not yet fully known. For major Pokémon main sets, products such as Booster, Displays, Elite Trainer boxes, Booster Bundles, Blister Pack and Collections are to be expected.

Storm Emeralda has been announced as a Japanese Booster expansion. A Japanese Booster pack contains 5 cards, and a Booster Display generally contains 30 Booster packs. For German and English products, Collectors should pay attention to the official product announcements for Delta Herrschaft and Delta Reign.

Once specific product details are available, it will become clearer which versions are particularly interesting for Collectors, Players, and fans of Mega-Rayquaza-ex.

Delta Herrschaft, Delta Reign, or Storm Emeralda?

All three names are closely connected, but they do not refer to exactly the same product. Storm Emeralda is the Japanese expansion. Delta Reign is the English international name. Delta Herrschaft is the German name.

Those who collect German cards will mainly search for Delta Herrschaft. Those who prefer English cards will look for Delta Reign. Anyone who wants to open cards from the set as early as possible or collects Japanese cards will look for Storm Emeralda.

Thematically, however, everything revolves around the same major theme: Mega-Rayquaza-ex returns in the Mega-Entwicklung era and receives a set clearly focused on storms, the sky, Energy, and powerful Mega Pokémon.

Why you should be cautious with early information

Rumors spread quickly around new Pokémon sets. This is especially true for a set featuring Mega-Rayquaza-ex, because expectations for Rayquaza cards are very high.

The main facts currently confirmed are the names Delta Herrschaft, Delta Reign, and Storm Emeralda; the Japanese Release on July 31, 2026; the international Release on November 6, 2026; Mega-Rayquaza-ex as the central Pokémon; and the first officially revealed cards from Storm Emeralda.

When it comes to pull rates, chase cards, complete card lists, and product details, however, it is best to wait until official information is available. Details can still change compared with the Japanese source set, especially for international Pokémon sets.

Delta Herrschaft could become the major Rayquaza set of 2026

Pokémon Delta Herrschaft, known internationally as Delta Reign, brings Mega-Rayquaza-ex back into the spotlight. That alone makes the set interesting to many Collectors and Players.

Thanks to the Japanese source set Storm Emeralda, we already know that the set focuses heavily on Mega-Rayquaza-ex, Energy acceleration, new Mega-Entwicklung Pokémon, and a special two-part Stadium card. For Rayquaza fans, Mega-Entwicklung Collectors, and Players who enjoy powerful Pokémon-ex strategies, Delta Herrschaft is therefore definitely a set to keep an eye on.

Not all details are known yet. That is precisely why it is worth following the upcoming news, card reveals, and product announcements. If you collect Pokémon cards and like Rayquaza, Delta Herrschaft is likely to become one of the most important sets at the end of 2026.