Helm of Possession (TMP) (#291)

Name: Helm of Possession
Mana Cost: {4}
Type: Artifact
Collector Number: 291
Oracle Text: 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.
Rarity: rare
Artist: Janet Aulisio