While thats fine, its not amazing, however, whenever you cast a creature spell with a mana value of five or more get an experience counter, then Kalemne gets +1/+1 for each experience counter you have too, which can get out of hand very quickly
In Standard, if something breaks the game, itll get banned or Wizards might even wait it out until it rotates out of the game
Its ability allows you to speed up games significantly, but Solphim also has the least restrictive cost for becoming indestructible
Twinblade Assassins is basically a creature version of Deathreap Ritual, which is heavily played in Golgari sacrifice builds for card drawing fun times
Nemesis February 2001 - : Minotaur Illusionist was the first Red-affiliated card to gain Shroud, thanks to some sneaky Blue mana
Pandemonium is a bit of both, allowing you to deal damage each time Norin nopes out, but also allowing your opponents a chance to deal serious damage, making the game feel a lot more dangerous