mtg cards like ghostly prison (#19) (foil) (borderless) Creatures cant attack you unless their controller pays 2 for each creature he or she controls thats attacking you Magic The Gathering - Murders

This is the only card in the deck that has anything to do with the Ring tempting you, and your opponents may simply vote against it if itd really benefit you

Rite of the Raging Storm

The calculator spits out a few numbers if you want to know the chances of drawing fewer than, equal to, or greater than one white source

According to TCGPlayer, only seven Gem Mint and 10/10 cards are known today

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)