The blue ability adds even more fun (and a bit of control) by letting you reroll any die, which helps you high-roll into a board of chunky tokens or fix a bad roll from one of your other dice-happy effects
If the search is simply for a number of cards without stating a quality, you must have them find that many cards (or as many as possible, if their library doesn't contain that many cards)
In fact, the stats of the Garchomp card would define the relevance of the Dragon deck
As it is, I love a commander that's naturally resistant to removal
The players can swap any number of cards between the decks, with the requirement that each deck must have exactly the same number of cards as it had before
Fury just doesnt work well with an aggressive red strategy but could be a decent sideboard card against a deck playing a ton of 1/1s like Humans or Affinity