Dusk Urchins 

Creature — Ouphe
$0.16 #6432 0.18 18.5 years
Whenever this creature attacks or blocks, put a -1/-1 counter on it.
When this creature dies, draw a card for each -1/-1 counter on it.
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Wicker Warcrawler90%
$0.25↑#24349↓0.00↓18.5 years
"Whenever this creature attacks or blocks, put a -1/-1 counter on it at end of combat."
Grief Tyrant88%
$0.15↓#26356↓0.06↓18.5 years
"When this creature dies, put a -1/-1 counter on target creature for each -1/-1 counter on this creature."
+1 more matching line
Oft-Nabbed Goat87%
$0.25↑#56220.200.7 years↓
"When this creature dies, if it had one or more -1/-1 counters on it, its owner draws that many cards and each other player loses that much life."
Lockjaw Snapper78%
$1.54↑#16140↓0.1818.5 years
"When this creature dies, put a -1/-1 counter on each creature with a -1/-1 counter on it."
+1 more matching line
Hatching Plans78%
$0.17↑#19851↓0.1320.7 years↑
"When this enchantment is put into a graveyard from the battlefield, draw three cards."
Soulstinger76%
$0.18↑#20032↓0.189.5 years↓
"When this creature dies, you may put a -1/-1 counter on target creature for each -1/-1 counter on this creature."
Lichenthrope76%
$0.59↑#29221↓0.00↓29.7 years↑
"At the beginning of your upkeep, remove a -1/-1 counter from this creature."
Goblin Elite Infantry74%
$0.09↓#30391↓0.00↓30.0 years↑
"Whenever this creature blocks or becomes blocked, it gets -1/-1 until end of turn."
Marketback Walker74%
$0.38↑#3959↑0.231.7 years↓
"When this creature dies, draw a card for each +1/+1 counter on it."