You’ve been chosen as a champion to represent your wizarding house in a deadly duel against two rival magic schools. Your opponents are a powerful sorcerer who wields a wand that can turn people into fish, and a powerful enchantress who wields a wand that turns people into statues. Can you choose a wand and devise a strategy that ensures you will win the duel?

Math For Love founder Dan Finkel wrote this magical math and logic TED-Ed: Can you solve the wizard standoff riddle? We’re fans of his company’s two award-winning math games for kids and adults: Tiny Polka Dot and Prime Climb.

More puzzling from Finkel: The Squareable Puzzle. Plus, watch these videos next: The Universal Calendar Puzzle, The Fold & Cut Theorem, The Temple Riddle, The River Crossing Riddle, and The Seven Planets Riddle.