People just didn't keep cards in sealed sleeves and cases, instead they were played with carelessly (as they should have been!) and in the process damaged
The reward you get for flipping Jerran is Ormendahl, the Corrupter, a reward that, while cool and powerful, might not feel worth the squeeze especially if it eats a Swords to Plowshares right after
Based on the latest market prices tracked on TCG Stacked, a foil copy of Xatu is worth about $190.00 USD
Each booster box contains 24 sealed packs , with 12 cards per pack
This card currently costs around US$17 9 Chien-Pao ex (Gold Full Art - 274/193) One of the favorites of the current generation as one of the main attackers of the aquatic archetype, it has combos with Baxcalibur from the same set and even has game predictions with Blastoise ex (from the Pokmon Card 151)
While this would already complicate box openings (since most packs will be losers, from a value perspective), the high bulk-rare rate could be redeemed if the rest of the slots were filled with really solid, high-end rares