pokemon japanese fossil booster pack (1997) Pokémon Two million years ago 1997 Nintendo Pokemon "Fossil" Japanese-291

(Don't worry, most players won't get there any time soon.) The rarity of the card will determine how many Pack Points are required to craft the card

Your green and black spells are mostly there to be cycled away, but Unpredictable Cyclone will allow you to cast them for free, if you want

It's probably a bunch of RTR bulk and the seller is trying to "get their money back." (there seems to be a common misconception among people selling their cards on Craigslist that their cards should be worth at least as much as the boosters they opened to get the cards)

You can hold this up for your opponents turns, and you can activate it multiple times

Here's all the basic information about them