Artefacto

, sacrificar una criatura: Crea una ficha de Comida. Si la resistencia de la criatura sacrificada era de 4 o más, en vez de eso, crea dos fichas de Comida. (Son artefactos con "

,

, sacrificar este artefacto: Ganas 3 vidas".)
No player may take actions between the time you announce you're activating Witch's Oven's ability and the time you sacrifice a creature. Notably, they can't try to remove or shrink the creature you'd like to bake.
Whatever you do, don't eat the delicious cards.
Food is an artifact type. Even though it appears on some creatures, it's never a creature type.
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 Maraleaf Rider's ability.