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