You may choose not to untap Helm of Possession during your untap step. {2}, {T}, Sacrifice a creature: Gain control of target creature for as long as you control Helm of Possession and Helm of Possession remains tapped.
Near Mint - $3,500
Lightly Played - $2,800
Moderately Played - $2,500
Heavily Played - $2,100
Damaged - $1,800
Near Mint Spanish - $3,500
Lightly Played Spanish - $2,800
Moderately Played Spanish - $2,500
Heavily Played Spanish - $2,100
Damaged Spanish - $1,800