Your opponent takes damage until he or she discards a total of 3 Lesson cards from his or her deck.

• Number: 44
• Rarity: Rare
• Type: Spell
• Cost: 12
• Flavour text: 'Snape prowled through the fumes, making waspish remarks about the Gryffindors' work while the Slytherins sniggered appreciatively.'