Persistent Constrictor 
Creature — Zombie Snake
$12.13 #2790 0.69 2.1 years
At the beginning of each opponent's upkeep, they lose 1 life and you put a -1/-1 counter on up to one target creature they control.
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)
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Rendclaw Trow84%
$0.21↓#15830↓0.12↓18.2 years↑
"Persist"
Crumbling Ashes80%
$24.83↑#6771↓0.43↓18.2 years↑
"At the beginning of your upkeep, destroy target creature with a -1/-1 counter on it."
Gnarled Effigy80%
$0.15↓#27769↓0.07↓18.5 years↑
", 
: Put a -1/-1 counter on target creature."
, : Put a -1/-1 counter on target creature."
Obelisk Spider79%
$2.52↓#4823↓0.22↓9.3 years↑
"Whenever you put one or more -1/-1 counters on a creature, each opponent loses 1 life and you gain 1 life."
Splendid Agony78%
$0.20↓#15437↓0.11↓9.5 years↑
"Distribute two -1/-1 counters among one or two target creatures."
Skinrender78%
$0.23↓#5692↓0.6916.1 years↑
"When this creature enters, put three -1/-1 counters on target creature."
Blight Rot78%
$0.28↓#8917↓0.04↓0.7 years↓
"Put four -1/-1 counters on target creature."
Cultbrand Cinder78%
$0.11↓#30659↓0.00↓18.5 years↑
"When this creature enters, put a -1/-1 counter on target creature."
Harbinger of Night77%
$24.09↑#14367↓1.29↑30.0 years↑
"At the beginning of your upkeep, put a -1/-1 counter on each creature."
Hapatra, the Desert Fang77%
$0.18↓#23843↓0.28↓0.0 years↓
"When this card enters, for each opponent, put X -1/-1 counters on up to one target creature that player controls, where X is the greatest mana value among cards in your graveyard."
Scar76%
$0.23↓#19802↓0.19↓18.5 years↑
"Put a -1/-1 counter on target creature."
Weed-Pruner Poplar74%
$0.14↓#26750↓0.12↓18.7 years↑
"At the beginning of your upkeep, target creature other than this creature gets -1/-1 until end of turn."
Volrath, the Shapestealer74%
$0.67↓#13791↓0.22↓7.2 years↑
"At the beginning of combat on your turn, put a -1/-1 counter on up to one target creature."
Fevered Convulsions74%
$0.70↓#22859↓0.06↓29.0 years↑
"
: Put a -1/-1 counter on target creature."
: Put a -1/-1 counter on target creature."
Furystoke Giant74%
$5.44↓#17055↓0.12↓18.5 years↑
"Persist"
Serrated Biskelion73%
$0.12↓#20345↓0.18↓29.4 years↑
": Put a -1/-1 counter on this creature and a -1/-1 counter on target creature."
: Put a -1/-1 counter on this creature and a -1/-1 counter on target creature."
Instill Infection73%
$0.09↓#24167↓0.35↓16.1 years↑
"Put a -1/-1 counter on target creature."
Tooth Collector72%
$0.05↓#25910↓0.18↓10.6 years↑
"At the beginning of each opponent's upkeep, if there are four or more card types among cards in your graveyard, target creature that player controls gets -1/-1 until end of turn."
Soul Snuffers72%
$0.26↓#4957↓0.56↓18.2 years↑
"When this creature enters, put a -1/-1 counter on each creature."
Grim Affliction72%
$0.28↓#4567↓0.30↓15.4 years↑
"Put a -1/-1 counter on target creature, then proliferate."