Check out the first five examples: Pact of Negation, Seasons Past, Sylvan Tutor, Shelob, Whose Lair is Death, and Abyssal Persecutor
Not only is "A Whole New World" considered one of the most useful cards for gameplay, but it'll also only be available for attendees of the World Championships, as well as those competing
To give you an idea of what these command, a seller was asking $1,500 for PSA NM 7 Badlands single on eBay in late March
Contents: 3 Final Fantasy Play Boosters (14 cards per booster) 6 Traditional Foil Scene Cards 6 Art only scene cards Display Easel A Play Booster contains: 14 Magic: The Gathering cards per booster 14 cards of rarity Rare or higher 35 Uncommon cards 69 Common cards 1 Land card
Back then, it was played in all kinds of decks, from Midrange strategies, to janky builds looking to cheat out Emrakul
Moisture and humidity can damage Magic: The Gathering cards over time