So this deck just won Grand Prix Birmingham recently and I love mono-red Legacy decks, so I'm pretty excited to see a deck similar to the one I've been playing in Legacy do so well. Looking over the list, I really like some of the choices here. I'm going to have to keep an eye on this deck for the future.

Creatures (15)
4 x Goblin Rabblemaster
4 x Magus of the Moon
4 x Simian Spirit Guide
1 x Hazoret the Fervent
2 x Pia and Kiran Nalaar

Planeswalkers (4)
2 x Chandra, Torch of Defiance
2 x Karn, Scion of Urza

Spells (4)
4 x Fiery Confluence

Artifacts (14)
4 x Chalice of the Void
4 x Chrome Mox
4 x Ensnaring Bridge
2 x Trinisphere

Enchantments (4)
4 x Blood Moon

Lands (19)
4 x Ancient Tomb
4 x City of Traitors
11 x Mountain

Sideboard (15)
1 x Surgical Extraction
2 x Abrade
2 x Sorcerous Spyglass
4 x Faerie Macabre
3 x Kozilek's Return
3 x Scab-Clan Berserker

Earlier builds used Bottled Cloister to cheat your threats around the bridge.