When you attack, the opponents active Pokemon gains a damage counter for every 10 damage it receives
Luckily, even if you aren't running the top tier decks, you can still find success in Solor or Ranked matches using decks of easier-to-get cards
But this ultimate is insane in what it is asking of a deck as a possible build around
Killing planeswalkers and gaining massive loyalty, stealing dorks that are too powerful or just smashing up lands each turn are all good ways of beating the various archetypes
Having this Legendary in a deck won't be much of a heartbreaker, however, with The Sun Will Set ability making it possible to trigger the deployment of an extra card when Mufasa is banished
So not only are you filtering and ramping in Jund colors, but youre also putting pressure on everyone else to do the same