With no time to gather weapons, the dwarves fought the redcaps with anything within reach.

Food Fight

Artifacts you control have "{2}, Sacrifice this artifact: It deals damage to any target equal to 1 plus the number of permanents named Food Fight you control."

Wilds of Eldraine Promos

Wilds of Eldraine

Food is an artifact type. Even though it appears on some creatures, it's never a creature type.

If an effect refers to a Food, it means any Food artifact, not just a Food artifact token. For example, you can sacrifice Tough Cookie to activate the last ability of Sweettooth Witch.

Some spells and abilities that create Food tokens may require targets. If each target chosen is an illegal target as that spell or ability tries to resolve, it won't resolve. You won't create any Food tokens.

Whatever you do, don't eat the delicious cards.

You can't sacrifice a Food to pay multiple costs. For example, you can't sacrifice a Food token to activate its own ability and also to activate the last ability of Sweettooth Witch.