He boasts Rush, meaning he can attack the turn he is played, and a high Strength stat, allowing him to cleanly banish problematic opposing characters the exact moment he hits the board
You use up a card to do something that wont generally matter unless it kills your opponent
The flavor fit for Final Fantasy specifically is great here but I'd be shocked if we don't end up seeing this mechanic again in the future
And as with all bears, straying from the 2/2 power and toughness makes it less viable in Duskana or Kudo decks
On attack, Narset, Enlightened Master lets you exile the top four cards of your library and play any non-creature spells (instants and sorceries) without paying their mana costs
I think Temur Footfalls will be one of the most played decks this weekend, and for good reason: its powerful, proactive, and has relevant disruption