Voodoo Doll

Voodoo Doll comes into play tapped.
{t}, Sacrifice Voodoo Doll: You control target
player during that player's next turn. (You see all
cards that player could see and make all decisions for
the player.)
Maneuver 4 (This permanent doesn't untap during its controller's untap step. Tap an untapped creature you control: Put a gear counter on this card. Remove four
gear counters from this card: Untap this permanent.)