Many burn spells target either an opponent or one of their permanents
While it may not explode onto the battlefield as fast as some other payoffs, it gives you inevitability, which forces opponents to answer your massive threats or drown under the weight of your cycling engine
Thanks to the Commander format, mechanics that never saw much play in traditional formats are able to flourish
As a quick disclaimer, well only be considering cards from the main set here, and not the Commander precons or Special Guests
While this may be limited by the amount of mana you have, cards like Hooting Mandrills or Tolarian Terror can be played for a single mana in the right conditions, maximizing this powerful Bant commanders potential
Other than Planeswalkers, there is nothing that it can't just kill right now