Pros: AI-driven accuracy, fast turnaround, no human error, detailed grading reports
You might never actually use Wrenn and Seven's ultimate ability, but if you're playing a deck that just focuses on the land-filtering part of this planeswalker, it's nice to know you can still get back those discarded permanents later
Like in the video games, you can have a mixture of Pokmon across different elemental types to help make the most of your opponents weaknesses, or you might specialise in just one or two types if you prefer to channel the spirit of a Pokmon gym leader
The controller gains life equal to the creatures power, but thats often a negligible cost to pay for answering something like Blightsteel Colossus or Dockside Extortionist
What makes Niv-Mizzet legendary in Magic: The Gathering is the amount of infinite combos it has, which automatically wins you the game