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 - $47.90
Lightly Played - $43.10
Moderately Played - $38.30
Heavily Played - $33.50
Damaged - $24.00
NM-Mint Non English - $47.90
Lightly Played Non English - $43.10
Moderately Played Non English - $38.30
Heavily Played Non English - $33.50
Damaged Non English - $24.00