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This is a deck constructed for casual multiplayer. The basic idea is to set the whole world on fire with Niv-Mizzet.
Pop down Teferi's Puzzle Box along with a Psychic Possession for as many of your opponents as you can manage, and draw, draw, DRAW. The Firemind tosses out burn for every card picked up, and Cerebral Vortexes and Spiraling Embers lay out big damage for the kill.
In the meantime, Gelectrodes enchanted with Curiosity serve as a machinegun battery alongside your 2-drop instants, for reactive defense and counterstrike against your opponents.
Jace's Erasure in the sideboard is a bit of icing to seriously cramp the options of anyone running strong removal. Forced Fruition turns that into ridiculously antisocial card-drawing, burn, and milling (you cast any spell: you draw 7 cards, then I draw 7 cards, you put the top 7 cards of your library into your graveyard, and Niv-Mizzet deals 7 damage to you. Then I respond to the spell you just cast). Archmage Ascension allows me to give up points of burn in exchange for tutoring, when necessary.
I realize that it's clunky, but our group's culture is all about the Johnnies amongst us. Spike decks tend to get grief. For example, I have a gentleman's agreement to never put Curiosity on Niv-Mizzet, so that people still want to play when I field the deck.