Pokémon Company Revealed Delta Reign Promo Cards
The upcoming expansion features four new promotional cards and a series of global prerelease events.
Updated on Oct. 4, 2026 in Board Games
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The Pokémon Company has unveiled four new promo cards ahead of its upcoming Delta Reign expansion. These cards will be included in Build & Battle Boxes used during upcoming prerelease events.
Why it matters
These reveal events provide players with their first opportunity to engage with the sixth set in the Mega Evolution series. The addition of new cards and mechanics helps shape the competitive landscape for players leading up to the official launch.
The Delta Reign expansion, the 6th set in the Mega Evolution series, features four promo cards: Masquerain, Magmortar, Enamorus, and Kommo-o. Prerelease participants will play with 40-card decks sourced from Build & Battle Boxes.
The players
The Pokémon Company
This entity is responsible for the design, marketing, and distribution of the Pokémon Trading Card Game worldwide.
The details
Players will use 40-card decks from Build & Battle Boxes at local retail stores to compete in prerelease events. Each box includes one of the four revealed promotional cards, while standard booster packs will contain Legendary Stadium cards in sets of two.
Timeline
Prerelease events for the new expansion begin on October 24, 2026.
The official global launch for Delta Reign is set for November 6, 2026.
Culture Shift
The Delta Reign expansion marks the latest milestone in the long-running Mega Evolution series of the trading card game. This set continues the trend of integrating complex stadium mechanics and specialized promo cards to keep the evolving meta-game fresh for veteran collectors.
Players can secure one of the four new promo cards by participating in organized prerelease events at local stores starting in late October. After the official launch, Build & Battle Boxes will be available for wider purchase to bolster personal deck collections.
The takeaway
Collectors and players should mark their calendars for the late October prerelease window to gain early access to the new card pool. Engaging with these local events is the primary method for acquiring the specific promo variants included in the Build & Battle Boxes.
What happens next
Prerelease events are scheduled to begin at participating local game stores on October 24, 2026, followed by the full commercial release on November 6, 2026.
Further reading
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Live Poll
Would you attend a local trading card game prerelease event this year?
