{X}, {T}: Target opponent mills a card, then repeats this process until a creature card or X cards have been put into their graveyard this way, whichever comes first. If one or more creature cards were put into that graveyard this way, sacrifice Helm of Obedience and put one of them onto the battlefield under your control. X can't be 0.
Near Mint - $57.500
Lightly Played - $46.000
Moderately Played - $40.300
Heavily Played - $34.500
Damaged - $28.800
Near Mint Spanish - $57.500
Lightly Played Spanish - $46.000
Moderately Played Spanish - $40.300
Heavily Played Spanish - $34.500
Damaged Spanish - $28.800