The combo is very easy to compile all the parts together, allowing for potential infinite burn damage to close out any game
Balance Balance of Power Checks and Balances Counterbalance Gaea's Balance Hei Bai, Spirit of Balance Leonardo, the Balance Magus of the Balance Natural Balance Off Balance Powerbalance Restore Balance Teval, the Balanced Scale Witherbloom, the Balancer
And a flying 5/5
Beyond that, multiple different variants of Niv-Mizzet go infinite with one another as well as with Curiosity-style effects that draw you cards upon damaging foes
When Chandra, Pyromaster first appeared, I explained that her middle impulsive-drawing ability came out of discussions about red's slice of the color pie on my blog (called Blogatogcheck it out) and it was something we were trying out in red
Its also why you cant wait to see what card is being named by effects like Nevermore or Pithing Needle and then try and use the named card in response the choice of name becomes part of them entering the battlefield and the restriction is already applied before anyone gets priority
