# 2017 Pokémon SM Black Star Promos #SM104a

> The 2017 Solgaleo-GX (SM104a) Holo Promo card from the Pokémon SM Black Star Promos series, a powerful Stage 2 Metal Pokémon favored by collectors and TCG players.

Canonical URL: https://supercatch.com/product/pokemon-sm-black-star-promos-solgaleo-gx-sm104a-holo-promo

## Identity

- **Year**: 2017
- **Manufacturer brand**: Pokémon
- **Set / series**: SM Black Star Promos
- **Card number**: #SM104a
- **Product type**: TCG_CARD

## Description

The Solgaleo-GX (SM104a) Holo Promo card from the 2017 Pokémon SM Black Star Promos series represents a significant release for fans of the Sun and Moon era. As a Stage 2 evolution of Cosmoem, this Metal-type Pokémon boasts an impressive 250 HP, making it a formidable presence in the Trading Card Game. The card features the Shining Mane ability, which ensures that all your Pokémon in play have no Weakness, providing crucial defensive stability during matches. Players can utilize Turbo Strike for 120 damage by attaching two basic Energy cards from the discard pile, or opt for the powerful Prominence-GX attack to heal all damage from all of your Pokémon. Designed by PLANETA Igarashi, this promo card is highly valued for its unique accessibility and gameplay utility. Collectors often seek out this card number to complete their SM Black Star Promos collection, while others appreciate its role in competitive decks. The holo finish adds a premium aesthetic appeal, enhancing its desirability for display and storage. Whether you are building a comprehensive set or looking for a strategic powerhouse, this Solgaleo-GX promo stands out as a key component of modern Pokémon card collecting.

## FAQ

### Is Solgaleo-GX SM104a a valid card for tournament play?

Yes, the Solgaleo-GX SM104a Holo Promo is a legal card for tournament play in the Standard format, provided it meets the official card size and printing standards. Its powerful abilities and high HP make it a viable strategic option for many deck builds.

### What does the GX attack do in Pokémon TCG?

GX attacks are powerful moves that can only be used once per game. For Solgaleo-GX, the Prominence-GX attack allows you to heal all damage from all of your Pokémon, offering significant recovery potential in extended matches.

### Why is the SM Black Star Promos series popular among collectors?

The SM Black Star Promos series is popular because it includes exclusive cards distributed at various events and through specific promotions, often featuring unique artwork and gameplay mechanics not found in standard booster packs.

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Last verified: 2025-11-29.