The doubled damage isn't dealt by Collective Inferno unless (in a very unusual case) it was the original source of damage
The best way to use this commander is with cards like Solemn Simulacrum, which you want to cast and sacrifice later to emerge your commander
At the very least, youre paying six mana for four Elves per turn cycle, and at least four life to boot
3 Gatecrash Fittingly, given its violent title, Gatecrash featured some of the best aggressive options for decks in Standard and beyond
In addition to being a slight rewriting of the classic Jingle Bells line, the part that says "sing a slaying song tonight" is modeled on the fact that "sleigh" and "slay" sound phonetically identical to each other, and the effect involves you 'slaying' some creatures (or at least attempting to)
The trick is how to pack everything into fifteen cards and have enough copies of a needed card to draw it often enough to matter