The Reaper, King No More 
Legendary Artifact Creature — Scarecrow
$0.32 #5755 0.42 0.7 years
When The Reaper enters, put a -1/-1 counter on each of up to two target creatures.
Whenever a creature an opponent controls with a -1/-1 counter on it dies, you may put that card onto the battlefield under your control. Do this only once each turn.
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Necroskitter94%
$0.31↓#2934↑0.58↑18.2 years↑
"Whenever a creature an opponent controls with a -1/-1 counter on it dies, you may return that card to the battlefield under your control."
Grind // Dust86%
$0.16↓#26674↓0.31↓9.3 years↑
"Put a -1/-1 counter on each of up to two target creatures."
Splendid Agony80%
$0.20↓#15437↓0.11↓9.5 years↑
"Distribute two -1/-1 counters among one or two target creatures."
Banewhip Punisher80%
$0.25↓#11192↓0.06↓9.3 years↑
"When this creature enters, you may put a -1/-1 counter on target creature."
Skinrender78%
$0.23↓#56920.69↑16.1 years↑
"When this creature enters, put three -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."
Blowfly Infestation78%
$0.33↑#3048↑0.59↑18.5 years↑
"Whenever a creature dies, if it had a -1/-1 counter on it, put a -1/-1 counter on target creature."
Soulstinger76%
$0.18↓#20032↓0.18↓9.5 years↑
"When this creature enters, put two -1/-1 counters on target creature you control."
+1 more matching line
Incremental Blight76%
$0.18↓#61750.09↓18.5 years↑
"Put a -1/-1 counter on target creature, two -1/-1 counters on another target creature, and three -1/-1 counters on a third target creature."
Pith Driller76%
$0.15↓#28174↓0.28↓15.4 years↑
"When this creature enters, put a -1/-1 counter on target creature."
Hapatra, the Desert Fang76%
$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."
Grief Tyrant75%
$0.15↓#26356↓0.06↓18.5 years↑
"This creature enters with four -1/-1 counters on it."
+1 more matching line
Dread Tiller74%
$0.23↓#58760.19↓0.7 years
"When this creature enters, put a -1/-1 counter on target creature."
+1 more matching line
Blight Rot74%
$0.28↓#8917↓0.04↓0.7 years
"Put four -1/-1 counters on target creature."
Spitting Dilophosaurus74%
$25.70↑#57280.402.9 years↑
"Whenever this creature enters or attacks, put a -1/-1 counter on up to one target creature."
Soul Snuffers72%
$0.26↓#49570.56↑18.2 years↑
"When this creature enters, put a -1/-1 counter on each creature."
Scar72%
$0.23↓#19802↓0.19↓18.5 years↑
"Put a -1/-1 counter on target creature."
Sick and Tired72%
$0.08↓#31340↓0.06↓27.7 years↑
"Two target creatures each get -1/-1 until end of turn."
Contagion Clasp72%
$0.34↑#1416↑0.29↓16.1 years↑
"When this artifact enters, put a -1/-1 counter on target creature."
Contagion Engine70%
$12.59↑#1854↑0.74↑16.1 years↑
"When this artifact enters, put a -1/-1 counter on each creature target player controls."