Chains of Hell

Enchant creature
Enchanted creature has -3/-3 and is black in addition to its other colors.
Enchanted creature has "{t}, Attach Chains of Hell to target creature."
When Chains of Hell exits the battlfield, any player may sacrifice a creature to put a copy of Chains of Hell on a creature they control.
"Then they are taken captive by the devil, and led by his will down to destruction."--Alma, Son of Alma