The best options for burn spells are, of course, options with options
If the only card in all graveyards is a single artifact creature card, Pyrogoyf will be a 2/3
The main commander, Kotis, Sibsig Champion, lets you cast creatures from your graveyard if you exile three more cards from your graveyard when you pay their casting cost
While it doesnt technically win you the game, a lot of players concede when youre the only one left with anything on the board
Alesha, Who Smiles at Death Im not entirely sure how I feel about this commander
Youll draw two, discard two, cycle through your deck, discard cards you wanted to discard like dredge cards, reanimator targets, or cards like Arclight Phoenix