If neither creature is a legal target when Fight for the Throne tries to resolve, the spell won't resolve and none of its effects will happen
Ive played against it a couple of times in Brawl on MTG Arena, and if you cant deal with Narset before it attacks, it's pretty much game over due to its ability that lets it target non-creature spells from any graveyard, exile them, and cast a copy for free
Extraordinary Journey It takes a lot of mana to get Extraordinary Journey going, but you get a huge tempo swing as your opponents fumble around, recasting their creatures while feeding you extra cards
Below, Ive outlined how to tell the difference so you can keep track of what you get
One of the infamous Blue Farm commanders, Kraums power comes from its card advantage
Its like a hug from a friend youve not seen in years, but youve been chatting with online throughout that absence