Lux, Lady of Luminosity

Instants and Sorceries your opponents cast cost {2} more.
{3} {t} Target opponent reveals cards from the
top of their library until they reveal a instant / sorcery. The player draws the last card revealed, and puts the rest on the bottom of their library in a random order. You may draw cards equal to 1/3 the number of cards revealed this way, minimum 1.