The center of high-value candidates is the Manga Rare series Among items in standard commercial circulation, the cards that easily become candidates for high prices are, as expected, the Manga Rare series
A little deck popped it's head up around the time called Boros Energy
The early years of Magic had some powerful creatures and spells, and a lot of the Fallen Empires cards seemed to do similar things albeit in a poorer fashion
Wizards of the Coast also offers special promotional reprints of cards for all kinds of things, from buying booster boxes to competing in certain organised play events
Roxi is also a one-trick pony which would be okay if stickers were a bigger archetype, but they're not
The card's Read A Book ability allows an extra card to be added to the inkwell each turn, while My Favorite Part