Four Colour Cascade II

// Lands
3 Savage Lands
3 Jungle Shrine
3 Rupture Spire
2 Arid Mesa
2 Marsh Flats
2 Verdant Catacombs
3 Forest
3 Mountain
3 Swamp
2 Plains

// Creatures
4 Sprouting Thrinax
4 Bloodbraid Elf
4 Baneslayer Angel
2 Enlisted Wurm

// Spells
4 Lightning Bolt
2 Terminate
4 Blightning
2 Maelstrom Pulse
3 Captured Sunlight
2 Ajani Vengeant
3 Bituminous Blast

// Sideboard
SB: 4 Celestial Purge
SB: 3 Dragon's Claw
SB: 3 Day of Judgment
SB: 3 Goblin Ruinblaster
SB: 1 Terminate
SB: 1 Maelstrom Pulse

This deck has been placing 4-0 on MTGO Standard in nearly every tournament for the past few weeks, so it's obviously doing something right. If I were to play it, I would be worried about running Baneslayer Angel -- I'd want to get some Broodmates in there to compliment it.