Choose an Izzet commander that suits your strategy and budget. For example, you could choose Niv-Mizzet, Parun if you like spellslinger and combo, Jhoira, Weatherlight Captain if you like artifact and cheerios, The Locust God if you like wheel and token, or Brudiclad, Telchor Engineer if you like artifact and token.

Add 1/37 nonbasic lands that produce red and blue mana, provide utility or synergize with your strategy. For example, you could add Izzet Boilerworks, Steam Vents, Cascade Bluffs, Reliquary Tower, Academy Ruins, Spinerock Knoll, Minamo, School at Water's Edge and Terramorphic Expanse.

Add 1/13 ramp spells that help you generate more mana or reduce the cost of your spells. For example, you could add Sol Ring, Izzet Signet, Arcane Signet, Thran Dynamo, Mana Crypt, Mana Vault, Ruby Medallion, Sapphire Medallion, Jeweled Lotus and Curse of Opulence.

Add 23 card draw spells that help you refill your hand or trigger your commander's abilities. For example, you could add Brainstorm, Ponder, Preordain, Faithless Looting, Windfall, Wheel of Fortune, Rhystic Study, Mystic Remora, Thought Reflection and Consecrated Sphinx.

Add 11 removal spells that help you deal with your opponents' threats or disrupt their plans. For example, you could add Counterspell, Swan Song, Cyclonic Rift, Chaos Warp, Vandalblast, Blasphemous Act, Reality Shift, Pongify, Rapid Hybridization and Fire Covenant.

Add 14 synergy spells that help you execute your strategy or win the game. For example, you could add Curiosity, Ophidian Eye, Tandem Lookout, Isochron Scepter, Dramatic Reversal, Aetherflux Reservoir, Sensei's Divining Top, Paradox Engine, Mirrormade and Mechanized Production.

Add the remaining slots with basic lands. In this case, you would have 1 slot left, so you would need 1 basic land.

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