Biting Tether 

Enchantment — Aura
Enchant creature
You control enchanted creature.
At the beginning of your upkeep, put a -1/-1 counter on enchanted creature.
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Cards that do something similar expected a card that isn't here?
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Glistening Oil 100%
$12.56#6769
"At the beginning of your upkeep, put a -1/-1 counter on enchanted creature."
Unstable Mutation 95%
$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 94%
#29799
"At the beginning of the upkeep of enchanted creature's controller, put a -0/-1 counter on that creature."
Takklemaggot 94%
#23741
"At the beginning of the upkeep of enchanted creature's controller, put a -0/-1 counter on that creature."
Lichenthrope 84%
$0.60#28461
"At the beginning of your upkeep, remove a -1/-1 counter from this creature."
Crumbling Ashes 81%
$31.59#6639
"At the beginning of your upkeep, destroy target creature with a -1/-1 counter on it."
Spirit Shackle 81%
#29527
"Whenever enchanted creature becomes tapped, put a -0/-2 counter on it."
+1 more matching line
Harbinger of Night 80%
$31.97#14003
"At the beginning of your upkeep, put a -1/-1 counter on each creature."