For example, with the Final Fantasy VI commander deck, I built it as a black-red-white graveyard deck, but characters like Celes and Gogo would want to be blue if possible
Since you normally lose the game when you run out of cards in your deck, playing this card at the right time could help you make a comeback and win
Kaladesh is meant to be more lighthearted than most of worlds, so maybe there is just someone who is too enthusiastic about their work to let it go in favor of sleeping and that can come back to haunt you
Its also useless against sorceries, so consider avoiding Avoid Fate unless youre in need of more ways to protect your commander and big threats
While the negation seems to be the big part of his effect, the battle position switching is actually a tad more important in some regards, especially with the release of the next batch of U.A