We finally have news about one of the most anticipated expansions of 2026! The Pokémon Company has officially unveiled Storm Emerald in Japan and its international equivalent, Mega Evolution: Delta Reign In English, the collection focuses on Mega Rayquaza ex. The expansion will first be released in Japan in late July and then in Western markets as part of the Mega Evolution series.

Mega Rayquaza Ex leads the new expansion

The big star of the set will be Mega Rayquaza ex, which appears as the flagship Pokémon. Although its attacks and stats have not yet been officially revealed, it has already been confirmed that it will be the promotional card and the main highlight of the collection.

The choice of Rayquaza It's no coincidence. Hoenn's legendary dragon is one of the franchise's most iconic Pokémon, and its Mega Evolution is considered one of the most powerful and popular forms ever created. This makes Delta Reign in an expansion that is particularly appealing to collectors and competitive players.

Storm Emerald in Japan, Delta Reign in the West

The expansion will have different names depending on the region:

• Storm Emerald (Japan)
• Mega Evolution: Delta Reign (international market)

According to information released during the official presentation, Storm Emerald will be released in Japan on July 31, 2026, while Delta Reign will be released in Western markets on November 6, 2026 as part of the Mega Evolution line.

The Mega Evolution theme is back

Delta Reign The Pokémon TCG's major initiative continues throughout 2026: the return of the Mega Evolutions. Following previous expansions featuring Mega Darkrai, Mega Lucario or Mega Gardevoir—now it's Mega Rayquaza's turn to headline a collection entirely focused on these immensely powerful Pokémon.

Everything indicates that the expansion will include More Pokémon that have undergone Mega Evolution in addition to Rayquaza, although the complete list has not yet been revealed. Various specialized sources indicate that the collection will be related to the current story arc inspired by Pokémon Legends: Z-A and its theme of Mega Evolutions.

A joint celebration with Pokémon TCG Pocket

One of the most striking aspects of the ad is the synchronization between the physical game and Pokémon TCG Pocket.

As Storm Emerald and Delta Reign make their way into the traditional card game, Pokémon TCG Pocket will receive the expansion at the same time Ruler of the Skies, also featuring Mega Rayquaza. This digital collection will become the fourth main set in Series B and will share much of the visual and promotional identity of the physical release.

The strategy strengthens the connection between the two products and will allow the Rayquaza fans Enjoy new cards in both physical and digital formats.

Which cards have been revealed?

For now, The Pokémon Company has only shown promotional material and updates focused on Mega Rayquaza EX. Details regarding the complete card list, the total number of cards in the set, special rarities, SAR cards, alternate art, and the new Pokémon EX included have yet to be officially announced.

It is expected that during the the coming weeks Cards will begin to be revealed gradually, following the usual strategy for the Pokémon TCG ahead of each major release.

Key Dates for Delta Reign and Storm Emerald

Everything seems to indicate that Mega Evolution: Delta Reign It will be one of the most important expansions for the Pokémon TCG in 2026. The return of Mega Rayquaza ex, the continuation of the Mega Evolution mechanic, and the direct connection to Pokémon TCG Pocket: Ruler of the Skies make this release a must-have for collectors and gamers.

Although there are still many cards yet to be revealed, Mega Rayquaza’s prominence has already sparked great excitement among the community. The coming weeks should bring new previews, alternate art, and more details about a set that promises to be one of the highlights of the year for the Pokémon TCG.