Spirit Shackle 

Enchantment — Aura
Enchant creature
Whenever enchanted creature becomes tapped, put a -0/-2 counter on it.
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Cards that do something similar expected a card that isn't here?
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Unstable Mutation 86%
$0.11#25032
"At the beginning of the upkeep of enchanted creature's controller, put a -1/-1 counter on that creature."
+1 more matching line
Essence Flare 86%
#29799
"At the beginning of the upkeep of enchanted creature's controller, put a -0/-1 counter on that creature."
Takklemaggot 86%
#23741
"At the beginning of the upkeep of enchanted creature's controller, put a -0/-1 counter on that creature."
Krovikan Plague 82%
$0.24#30692
"Tap enchanted creature: This Aura deals 1 damage to any target. Put a -0/-1 counter on enchanted creature. Activate only if enchanted creature is untapped."
Glistening Oil 81%
$12.56#6769
"At the beginning of your upkeep, put a -1/-1 counter on enchanted creature."
Biting Tether 81%
$0.26#25912
"At the beginning of your upkeep, put a -1/-1 counter on enchanted creature."
+1 more matching line