MTG Single

Mindslaver [Scars of Mirrodin]

$4.09
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Set: Scars of Mirrodin
Type: Legendary Artifact
Rarity: Mythic
Cost: {6}
{4}, {T}, Sacrifice Mindslaver: 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.)
It's a helm that leaves the head at its most vulnerable.