A great article! Based on the information provided, here are the top 10 cards from the Stellar Crown expansion that are considered to be among the best:

**Note:** The ranking and specific cards may vary depending on individual opinions and the metagame at the time.

1. **Vaporeon-EX**: A powerful and versatile Pokémon with high HP and a strong attack.
2. **Tepig**: A popular Grass-type Pokémon with high Attack power and a useful ability.
3. **Mawile**: A Steel/Fairy-type Pokémon with high Defense and a unique ability that can disrupt opponents' strategies.
4. **Gardevoir-EX**: A Psychic/Fairy-type Pokémon with high HP and a strong attack, making it a popular choice for competitive players.
5. **Toxapex**: A Poison/Water-type Pokémon with high Defense and a useful ability that can counter other types.
6. **Zoroark**: A Dark-type Pokémon with high Attack power and a versatile ability that can adapt to different situations.
7. **Murkrow**: A Dark-type Pokémon with high Attack power and a unique ability that can disrupt opponents' strategies.
8. **Scizor-EX**: A Bug/Steel-type Pokémon with high HP and a strong attack, making it a popular choice for competitive players.
9. **Tapu Lele-GX**: A Psychic/Fairy-type Pokémon with high HP and a strong GX attack, making it a valuable addition to any deck.
10. **Sylveon**: A Fairy-type Pokémon with high Attack power and a useful ability that can counter other types.

These cards are considered to be among the best in the Stellar Crown expansion due to their high gameplay value, versatility, and ability to adapt to different situations.