iMtG Server: Gathering

Izzet Blitz 75 cards, 15 sideboard 4 {Izzet Guildgate} 7 {Mountain} 7 {Island} 18 lands 4 {Blistercoil Weird} 4 {Kiln Fiend} 4 {Nivix Cyclops} 3 {Nivmagus Elemental} 4 {Wee Dragonauts} 19 creatures 4 {Assault Strobe} 3 {Mana Leak} 4 {Artful Dodge} 3 {Faithless Looting} 4 {Shock} 3 {Mizzium Skin} 2 {Gitaxian Probe} 23 other spells Sideboard 4 {Frostburn Weird} 1 {Nivmagus Elemental} 3 {Guttersnipe} 1 {Faithless Looting} 1 {Goblin Electromancer} 4 {Izzet Charm} 1 {Mana Leak} 15 sideboard cards

{Brute Force}
{Mizzium Mortars}
{Lighting Bolt}
{Ponder}
{Preordain}
{Gut Shot}
And lower your creature count. You only really want a few creatures on the board. Then a few  protection spells like {Apostle's Blessing}, a bunch of burn to tear apart their creatures or hit them directly, and stuff to make your creatures unblockable. As well as a few draw spells to keep you going.