It's an amazing option for a tempo strategy where it kills quickly if you have some bounce or tap effects in your deck, and it works with auras, equipment, and pretty much everything in the game of Magic
But essentially, you get 2 Jumpstart boosters, shuffle them together to make a 40 card deck, and you are ready to play
With Spree multiple additional costs could be paid to activate multiple modes of the spell
Although blue doesnt have very many demons, there is a small handful of them
Its the ultimate land for tribal decks or decks with minimal creatures
Nikya won't solve all your problems, but I expect a well built Nikya of the Old Ways deck would be a lot of fun to play