In short, your goal is to put all Fire Energy you can into Charmander and evolve it into Charizard EX, which is your win condition
(If a creature has multiple instances of exalted, each triggers separately.) P/T Number 36 Language English Legal Formats Commander, Legacy, Modern, Vintage Not Legal Formats Alchemy, Brawl, Competitive Brawl, Historic, Pauper, Pioneer, Standard, Timeless Rulings (7/1/2012) Whenever a creature you control attacks alone, count the number of instances of exalted among permanents you control
Drop them offwell handle the rest
If a card specifically states that it moves Commanders from the battlefield to the Command Zone, anything that's been mutated onto your Commander moves along with it, then falls off - and will probably be stuck there, since there's no way to cast non-commander creatures from the Command Zone