Even as just a 9/9 keyword soup, it'd be decent, but having a Naturalize, Lightning Bolt, and, um, Bottle Gnomes on a stick is incredible
In addition to the deck's aggressive start, the deck features a number of cards that help manipulate the top of your deck, taking advantage of Yuriko's ability
On top of providing a big buff to your board, tacking Lava Spike onto all your red spells ends games in short order
The initial idea of Historic was that players would be able to continue to play their cards after they rotated from Standard, and adding a bunch of super-pushed cards each quarter had the potential to basically function like rotation, by making cards that players already had in their collection unplayable (from a competitive perspective, at least)
Whenever you do end up casting a spelling, you get to earthbend