Yes, 15 lands in a three color deck.  To be fair, though, the last card I added to the deck was Fog, and I never once drew it, so it could have been a land.

The original deck included the Undying Rage, but I played two people in white (one with almost exclusively white removal) so the Wildfire Emissary spent as much time in the deck as out.

Nothing else in the sideboard was used at all.

Match record 3-0-0.
Game record 6-1-0, with the one loss due to a misplay on my part.