1. Booster Packs: Booster packs are the most common way to obtain energy cards. Each booster pack contains 10 cards, and there is a chance of getting energy cards in each pack.
2. Theme Decks: Theme decks are pre-constructed decks that are designed for new players. Each theme deck contains 60 cards, including a variety of energy cards.
3. Expansion Sets: Expansion sets are larger collections of cards that are released periodically. Each expansion set contains a mix of Pokémon cards, energy cards, and other types of cards.
4. Booster Packs for Energy Cards: Some products are specifically designed to provide a large number of energy cards. These booster packs typically contain 10 energy cards each.
5. Special Products: Certain special products, such as tins, boxes, and collections, may also include energy cards. These products often have a theme and may contain a variety of other cards as well.