If an opponent would mill one or more cards, they mill twice that many cards instead. (To mill a card, a player puts the top card of their library into their graveyard.)
NM-Mint - $18.50
Lightly Played - $16.70
Moderately Played - $14.80
Heavily Played - $13.00
Damaged - $9.30
NM-Mint Non English - $18.50
Lightly Played Non English - $16.70
Moderately Played Non English - $14.80
Heavily Played Non English - $13.00
Damaged Non English - $9.30