If you have any incentives to cast cards from exile, you should consider this
Abyssal Specter replaced hypnotic Specter and Incinerate replaced Lightning Bolt, this would be a pattern over the next few sets, as Wizards of the Coast was not biased to just rarity when determining which cards were too powerful
It is an incredibly powerful Fire-type that you can quickly evolve into by using a Fire Stone on a Growlithe
This way, you skip the turns with even numbers and maximize the turns with odd numbers of counters, and gain the advantage of two extra cards per turn
Graveyard-exiling effects as creature ETBs are always valuable, since that's one of the easiest ways to loop an ability and trigger it again
You can win real rewards through these events by selling the prizes you get, so if thats something that appeals to you then this is a great way to play the format