{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 - $24.300
Lightly Played - $19.400
Moderately Played - $17.000
Heavily Played - $14.600
Damaged - $12.100
Near Mint Spanish - $24.300
Lightly Played Spanish - $19.400
Moderately Played Spanish - $17.000
Heavily Played Spanish - $14.600
Damaged Spanish - $12.100