Decimator Beetle 
Creature — Insect
$0.08 #18733 0.11 9.5 years
When this creature enters, put a -1/-1 counter on target creature you control.
Whenever this creature attacks, remove a -1/-1 counter from target creature you control and put a -1/-1 counter on up to one target creature defending player controls.
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Exemplar of Strength96%
$0.19↑#24759↓0.00↓9.5 years
"When this creature enters, put three -1/-1 counters on target creature you control."
+1 more matching line
Channeler Initiate94%
$0.15↑#5784↑0.069.5 years
"When this creature enters, put three -1/-1 counters on target creature you control."
Defiant Greatmaw90%
$0.17↑#220380.00↓9.5 years
"When this creature enters, put two -1/-1 counters on target creature you control."
+1 more matching line
Soulstinger89%
$0.18↑#200320.189.5 years
"When this creature enters, put two -1/-1 counters on target creature you control."
+1 more matching line
Ornery Kudu86%
$0.11↑#29999↓0.00↓9.5 years
"When this creature enters, put a -1/-1 counter on target creature you control."
Crocodile of the Crossing86%
$0.08#26332↓0.00↓9.5 years
"When this creature enters, put a -1/-1 counter on target creature you control."
Grim Poppet86%
$0.25↑#8550↑0.25↑18.5 years↑
"This creature enters with three -1/-1 counters on it."
+1 more matching line
Baleful Ammit85%
$0.24↑#201370.129.5 years
"When this creature enters, put a -1/-1 counter on target creature you control."
Carnifex Demon82%
$0.28↑#4966↑0.55↑16.1 years↑
"This creature enters with two -1/-1 counters on it."
Wickerbough Elder80%
$0.13↑#5096↑0.47↑18.2 years↑
"This creature enters with a -1/-1 counter on it."
Plague Belcher80%
$0.37↑#3625↑0.129.5 years
"When this creature enters, put two -1/-1 counters on target creature you control."
Morselhoarder80%
$0.39↑#199820.0718.5 years↑
"This creature enters with two -1/-1 counters on it."
Banewhip Punisher78%
$0.25↑#11192↑0.069.3 years
"When this creature enters, you may put a -1/-1 counter on target creature."
Nefashu78%
$0.29↑#209220.22↑23.4 years↑
"Whenever this creature attacks, up to five target creatures each get -1/-1 until end of turn."
Cultbrand Cinder78%
$0.11↑#30659↓0.00↓18.5 years↑
"When this creature enters, put a -1/-1 counter on target creature."
Skinrender78%
$0.23↑#5692↑0.69↑16.1 years↑
"When this creature enters, put three -1/-1 counters on target creature."
Deity of Scars78%
$1.26↑#23804↓0.1918.2 years↑
"This creature enters with two -1/-1 counters on it."
Etched Monstrosity78%
$0.34↑#24296↓0.0515.4 years↑
"This creature enters with five -1/-1 counters on it."
Lethal Sting78%
$0.21↑#189370.25↑9.3 years
"As an additional cost to cast this spell, put a -1/-1 counter on a creature you control."
Spitting Dilophosaurus76%
$25.70↑#5728↑0.40↑2.9 years↓
"Whenever this creature enters or attacks, put a -1/-1 counter on up to one target creature."