Ichor Rats 
Creature — Phyrexian Rat
$2.17 #3341 0.47 15.9 years
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
When this creature enters, each player gets a poison counter.
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Cards similar to Ichor Rats expected a card that isn't here?
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Phyrexian Vatmother91%
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"At the beginning of your upkeep, you get a poison counter."
+1 more matching line
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"Whenever a source deals damage to this creature, that source's controller gets a poison counter."
+1 more matching line
Carrion Call84%
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"Create two 1/1 green Phyrexian Insect creature tokens with infect."
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$0.30↓#8142↓0.573.6 years↓
"Toxic 1"
Bilious Skulldweller82%
$0.39↓#4526↓0.20↓3.6 years↓
"Toxic 1"
Jawbone Duelist82%
$0.29↓#9922↓0.15↓3.6 years↓
"Toxic 1"
Phyrexian Swarmlord82%
$2.90↑#4945↓0.70↑15.3 years
"At the beginning of your upkeep, create a 1/1 green Phyrexian Insect creature token with infect for each poison counter your opponents have."
+1 more matching line
Pestilent Syphoner82%
$0.29↓#6479↓0.503.6 years↓
"Toxic 1"
Razor Swine81%
$0.12↓#20920↓0.27↓15.3 years
"Infect"
Cystbearer81%
$0.18↓#17222↓0.4415.9 years
"Infect"
Priests of Norn81%
$0.27↓#15055↓0.5015.6 years
"Infect"
Contagious Nim81%
$0.23↓#17694↓0.33↓15.9 years
"Infect"
Phyrexian Digester81%
$0.20↓#15084↓0.4315.6 years
"Infect"
Lost Leonin81%
$0.26↓#12296↓0.27↓15.3 years
"Infect"
Blightwidow81%
$0.19↓#13406↓0.21↓15.6 years
"Infect"
Glistener Elf81%
$0.61↓#6818↓0.86↑15.3 years
"Infect"
Blackcleave Goblin81%
$0.15↓#18009↓0.23↓15.9 years
"Infect"
Scourge Servant81%
$0.07↓#24126↓0.5615.6 years
"Infect"
Branchblight Stalker80%
$0.22↓#13163↓0.533.6 years↓
"Toxic 2"
Tine Shrike80%
$0.23↓#18037↓0.4715.6 years
"Infect"