1 Green for a 0/2 with flying that creates a Food Token when it enters, creates as many Food Tokens as you like for 2 mana, and allows you to add one mana to your pool if you sacrifice a Food is indeed a great deal
While that deck would kill turn 1 well over 90%, not to mention packing Force of Wills and Defense Grid, there have been plenty of other turn 1 kill decks over the years, and perhaps none with the longevity of Belcher
1 Jaxis, The Troublemaker Last but certainly not least, we have Jaxis, the Troublemaker
The extort ability doesn't target any player
Expect Split Screen to be instantly removed from play when it is cast
Dip into your Commander politics because the penalty for taking damage is a real one when food is integral to your strategy