"Gaius hasn't mentioned anything, and with Harry magical difficulties would be, oh, not being able to conjure a pavilion on a whim." Sirius thought for a moment. Perhaps Gaius had been making more annoyed noises than usual, the other day, while getting ready for school. "Faelan is just learning magic, so we wouldn't know the difference with him; he doesn't expect spells to work, yet."
He leaned back on his elbows on the soft ground. "I should ask Gaius. If it's widespread, he should be seeing the effects in lessons, and if it's not, I should have Harry check me for curses."