Jinxed Choker - Mirrodin - 189

Artifact

Mana Cost: {3}

At the beginning of your end step, target opponent gains control of this artifact and puts a charge counter on it.
At the beginning of your upkeep, this artifact deals damage to you equal to the number of charge counters on it.
{3}: Put a charge counter on this artifact or remove one from it.

Rare · Mirrodin · #189 (MRD)

Illustrated by Mike Dringenberg