First up is a fan-favorite Planeswalker reprint: Ugin, the Spirit Dragon
This makes it easier to get 1 hit knockouts against these Pokmon
While getting rid of basics is rarely optimal, some decks are greedy, and this can help prune named basics like Snow-covered Swamp or Swamp in Field of the Dead decks
Most casual players are willing to trade a couple of exiled cards from their library to add another land to their fat stack, and you net cards quite often
There's nothing approaching its usefulness in Standard right now, so if you play this card at the moment, you're going to miss it when you have to cast about for an inferior replacement come August
The deck boxes from the Build and Battle also make for great deck boxes to use at tournaments in your local area, bringing some flavor from your favorite sets along with you as you compete