The two cards in conjunction provide a game-ending combo, unless your opponent has instant-speed removal the turn you activate or one of the few ways to remove lands, such as Cleansing Wildfire or Waking the Trolls
Kalemne gets+1/+1 for every experience counter you have and also has double strike and vigilance
But for Pokemon, those spaces are left empty so they can used in the future for things like giving Pokemon new features
In fact, I was a little worried that Universes Beyond would completely take over the list (since Im actually playing two Doctor Who and three Lord of the Rings Commander decks at the moment)
And everyone's favorite little yellow electric mouse, Pikachu, features in several of the most valuable cards on the planet
Remember, those rules state you have to challenge, it doesn't specify what you're challenging