Focus may be somewhat off-register and edges may exhibit noticeable wear
important ones include Haggler's Coin (more cards on sale), Dwarven Pick and Amulet of Swampwalk (speed up movement), Staff of Thunder (spend a red amulet to destroy the nearest monster), and of course Tome of Enlightenment (lifts the restriction on duplicate card copies in your deck.) Other world spells besides those aren't important, and can wait if you don't have an ample supply of spare gold (2000+) at that moment
Its also worth noting that in Hazduhrs surprisingly comprehensive lore, its stated above almost everything else that hes old, ill, and will probably be dead in a couple years
Buying a full case (4 boxes) gives the most consistent distribution
Whether you plan to sneak this in with a Collector's Cage, reanimate it with a Zombify, or just use a bunch of elves and Elvish Archdruid, this isn't a card you expect to play fairly
You can do this once per day every 24 hours