It's also a card draw engine because you're likely to be using this card to quest or challenge each turn anyway
The Frozen characters work well together, as the new Elsa - The Fifth Spirit card's Rush ability lets her come into play and challenge within the same turn
All players can expect promo items for participating, as well as additional prizing based on their performance during the event.
Not to mention that Little John, Resourceful Outlaw needing to be exerted to have his effect take hold is an easy cost to pay, considering how many resistant Bodyguards your opponents will likely have to get through to challenge him.
She effectively gives us 7 copies of A Whole New World which means we don't have to rely on the perfect sequence of draws
Finally, you cast Haze of Rage for its buyback cost, buffing Ornitier and letting you activate him for four mana just before he's blinked