Fury is Lightning Bolt, Pyroclasm, and Glorybringer with none of the liabilities of drawing each of those cards when they arent good
Magic players love to draw cards
The down side is that the deck will be particularly susceptible to a board wipe, with all your enchantments going away once the creatures die
In practice its a pretty straightforward one-two punch: Build up more mana than you might otherwise be able to turn after turn, a strategy referred to as ramp in the vernacular, and then use it to summon your scaly friends en masse
See the effects on Realm-Scorcher Hellkite, Horizon Explorer, The Golden Throne, Sage of the Maze, and Leyline Immersion
Finally, Gilded Drake should be included, as it untaps five lands when it hits the battlefield