Gas Station Arby's

Cumulative Upkeep - You get a poison counter.
(At the beginning of your upkeep, put an age counter
on this permanent, then sacrifice it unless you pay its
upkeep cost for each age counter on it.)
At the beginning of your upkeep, if you control
20 or more food tokens, you win the game.
{4}{t}: Create 4 food tokens.