The toss-up between questing to accelerate your own victory and challenging your opponents cards to slow their progress makes for a notably different and fresher feel from the directly antagonistic likes of MTG, Pokmon and Yu-Gi-Oh
Speaking about the development of Nazgl in this article, Rosewater revealed this mechanic works in any color
Used in decks like Legacy Lands, it can hate out any deck that relies on using creatures to get in
#1: Balance Of course, Balance is on top of the white list
If you want to trade high rarity cards, you'll need trade tokens
Now, the best Bounce creatures, like Fleetfoot Panther and Whitemane Lion, have Flash, can bounce a single thing (ideally themselves as well), and are as cheap as possible since this deck guzzles mana like you wouldn't believe