You can psych your opponents out with Evercoat Ursine too, exiling cards that aren't very good to bait out a removal spell
Of course, it also helps that My Hero Academia provides the perfect setting and cast of characters for a CCG to be based around so its no wonder that it became successful among fans of the manga and anime, as well as CCG players looking for a new experience
Should you need any booster packs
The only downside Academy has is that it cant produce any mana if you have no artifacts in play, but it isnt very difficult in any format to build a deck that can virtually always get artifacts into play in the early game, so the downside almost never comes up
(This is the booster we now call the Draft Booster.) The problem with this method is that it means that any restriction for one group becomes a restriction for everyone
SOTHERA, THE SUPERVOID This seems specifically good against itself, and I can dig that