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When Golden Egg enters the battlefield, draw a card.
{1}, {T}, Sacrifice Golden Egg: Add one mana of any color.
{2}, {T}, Sacrifice Golden Egg: You gain 3 life.
Food is an artifact type. Even though it appears on some creatures (such as Gingerbrute), 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 Gingerbrute to activate the last ability of Tempting Witch.
Whatever you do, don't eat the delicious cards.
You can't sacrifice a Food token to pay multiple costs. For example, you can't sacrifice a Food token to activate its own ability and also to activate the ability of Tempting Witch.
