You can preorder one featuring a Cyclizar promo and another featuring Cleffa
Unfortunately, I have not used any and cannot recommend any specifically
Market research - One of the easier ways to see how much your card is worth is to look on online marketplaces to see if your card is already being sold
Any Pokemon can hold a Tool as long as they meet the cards specific criteria
Collectors managing large collections often keep this list in a spreadsheet with columns for set name, symbol description, series, release year, and total card count
The problem is that tokens and basic lands show up in every single pack, which means their supply and prices will be heavily dictated by just how much Unstable sells overall, which in turn means any discussion of Un-set finance is built on the foundation of total demand for the product and set sales