Micro-Oxygen Scientist

Whenever you cast an instant or sorcery spell, create a food token. The first time you gain life each turn, target player loses that much life. {flavor}Ijuin said that micro-oxygen could allow deep-sea divers to use lighter tanks that contain more oxygen, and an experiment showed that any fish raised in water containing micro-oxygen would grow much larger than normal fish, potentially alleviating the world’s hunger problem.