If youre playing him aggressively you can rack up a good amount of lore, and then when he is banished, you get to draw a card to keep going
He hits here at #8 because he isn't played as much as #2 in this role, and he is just the 4th most played mono-Blue dork
At the time of writing, it's the most valuable Disney Lorcana card ever
Legendary Land Gemstone Caverns If this card is in your opening hand and you're not the starting player, you may begin the game with Gemstone Caverns on the battlefield with a luck counter on it
Okay, part of why I like it is because the artwork reminds me of what would later become the logo for Wikipedia (which this card definitely predates), and it's a nice little way to show little pieces of puzzle falling off someone's memory
Both can also be useful for setting up either side of Storm the Vault, an enchantment that rewards creatures for doing damage by giving you treasures