Sheogorath's Appetite

At the beginning of your upkeep, create a colorless cheese artifact token with "Sacrifice this artifact, add 1 mana of any color to your mana pool" If you control 5 or more cheese tokens, flip Sheogorath's appetite.
"A little busy here! I'm tryin to decide what to have for dinner! Oh ho how I love eating! One of my favorite things to do."