Sphinx's Tutelage 76 (Magic Origins)

Whenever you draw a card, target opponent mills two cards. If two nonland cards that share a color were milled this way, repeat this process. {5}{U}: Draw a card, then discard a card.

NM - $3.20
LP - $2.60
MP - $1.90
HP - $1.30
DMG - $0.70