Magalí Martínez knew something was off: The seemingly invincible star Lionel Messi was scuffling on the soccer pitch. To her, it looked like he was afflicted with a supernatural curse that has roots in different cultures across history, the “evil eye.” So Martínez, a self-proclaimed witch and part-time babysitter, got to work. She focused intensely on Messi, began repeating a prayer and drizzled a bit of oil into a bowl of water. If the oil remained dispersed, he was safe. If it collected in the middle, he was cursed.