Double Crisis

The "Pokémon Double Crisis" set includes a variety of cards with differing values based on their rarity and demand. Here's a summary of the items you've listed:

1. Booster Pack - The average used price is around $423.06. This is a standard way to collect the set and is highly sought after by collectors. 2. 4-Pack Blister Pack - These are more valuable, with an average used price of $1,552.50. They are considered premium collectibles due to their rarity and packaging. 3. Aqua Diffuser #23 - This card has a very low used price of $0.70, indicating it is not in high demand. 4. Magma Pointer #24 - Similarly, this card is valued at $0.64 used, suggesting it is not a highly sought-after card. 5. Team Aqua's Sharpedo #21 - This card is valued at $4.47 used, indicating moderate demand. 6. Team Aqua's Spheal #3 - The used price is $4.00, which is also moderate. 7. Team Magma's Aggron #14 - This card is valued at $3.09 used. 8. Team Magma's Camerupt #2 - The used price is $2.62, indicating lower demand compared to other cards in the set.

If you're looking to sell or buy these cards, the Booster Pack and 4-Pack Blister Pack are the most valuable items in the set. For lower-value cards like the Aqua Diffuser and Magma Pointer, you might find they are not as desirable to collectors. For higher-value cards like the Team Aqua's Sharpedo and Team Magma's Aggron, you might see more interest from collectors. You can compare current asking prices on eBay for these items to get a sense of the market.