"Snowbrawl" is a high-energy 90-second David versus Goliath snowball fight directed by David Leitch for Apple.
The commercial is nice, but the real magic is in this mini-documentary, which shows some of the simple tools used to achieve such kinetic shots:
Kudos to Apple, the two videos really do a good job of making it seem like anyone who can afford an iPhone can create a great-looking movie.