Ritalin

(You may cast this legendary sorcery only if holding a glass of water)

Remove all effects of Time Blindness and temporarily become a productive member of society again

If you live in a civilised country, casting cost is the same as a standard prescription charge

If you live in the United States, casting cost is X, where X equals whatever extortionate price your woefully inadequate healthcare system has negotiated with the bastard feckin' pharmaceutical companies