At the beginning of your end step, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
4 /
4
{3}{B}
Blackcleave Goblin
Creature - Phyrexian Goblin Zombie
Haste
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
2 /
1
{1}{G}
Blight Mamba
Creature - Phyrexian Snake
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
{1}{G}: Regenerate Blight Mamba.
1 /
1
{1}{U}
Blighted Agent
Creature - Phyrexian Human Rogue
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
Blighted Agent can't be blocked.
1 /
1
{3}{G}
Blightwidow
Creature - Phyrexian Spider
Reach (This creature can block creatures with flying.)
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
2 /
4
{3}{B}{B}
Caress of Phyrexia
Sorcery
Target player draws three cards, loses 3 life, and gets three poison counters.
{5}{U}
Chained Throatseeker
Creature - Phyrexian Horror
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
Chained Throatseeker can't attack unless defending player is poisoned.
5 /
5
{2}
Contagion Clasp
Artifact
When Contagion Clasp enters the battlefield, put a -1/-1 counter on target creature.
{4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
{2}{B}
Contagious Nim
Creature - Phyrexian Zombie
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
2 /
2
{4}
Core Prowler
Artifact Creature - Phyrexian Horror
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
When Core Prowler dies, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
2 /
2
{4}
Corpse Cur
Artifact Creature - Phyrexian Dog
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
When Corpse Cur enters the battlefield, you may return target creature card with infect from your graveyard to your hand.
2 /
2
{3}{U}{U}
Corrupted Conscience
Enchantment - Aura
Enchant creature
You control enchanted creature.
Enchanted creature has infect. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
{1}{U}
Corrupted Resolve
Instant
Counter target spell if its controller is poisoned.
{3}{B}
Crypt Cobra
Creature - Snake
Whenever Crypt Cobra attacks and isn't blocked, defending player gets a poison counter. (A player with ten or more poison counters loses the game.)
3 /
3
{2}{G}
Cystbearer
Creature - Phyrexian Beast
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
2 /
3
{1}{B}
Flensermite
Creature - Phyrexian Gremlin
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
Lifelink (Damage dealt by this creature also causes you to gain that much life.)
1 /
1
{3}{B}
Flesh-Eater Imp
Creature - Phyrexian Imp
Flying
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
Sacrifice a creature: Flesh-Eater Imp gets +1/+1 until end of turn.
2 /
2
{2}{U}{U}
Fuel for the Cause
Instant
Counter target spell, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
{G}
Glistener Elf
Creature - Phyrexian Elf Warrior
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
1 /
1
{B}{B}
Glistening Oil
Enchantment - Aura
Enchant creature
Enchanted creature has infect.
At the beginning of your upkeep, put a -1/-1 counter on enchanted creature.
When Glistening Oil is put into a graveyard from the battlefield, return Glistening Oil to its owner's hand.
{4}
Grafted Exoskeleton
Artifact - Equipment
Equipped creature gets +2/+2 and has infect. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
Whenever Grafted Exoskeleton becomes unattached from a permanent, sacrifice that permanent.
Equip {2}
{2}{B}
Grim Affliction
Instant
Put a -1/-1 counter on target creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
{3}{B}
Hand of the Praetors
Creature - Phyrexian Zombie
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
Other creatures you control with infect get +1/+1.
Whenever you cast a creature spell with infect, target player gets a poison counter.
3 /
2
{1}{B}{B}
Ichor Rats
Creature - Phyrexian Rat
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
When Ichor Rats enters the battlefield, each player gets a poison counter.
2 /
1
{2}
Ichorclaw Myr
Artifact Creature - Phyrexian Myr
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
Whenever Ichorclaw Myr becomes blocked, it gets +2/+2 until end of turn.
1 /
1
{3}{U}{U}
Inexorable Tide
Enchantment
Whenever you cast a spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
--
Inkmoth Nexus
Land
{T}: Add {C}.
{1}: Inkmoth Nexus becomes a 1/1 Phyrexian Blinkmoth artifact creature with flying and infect until end of turn. It's still a land. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
{1}{W}
Lost Leonin
Creature - Phyrexian Cat Soldier
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
2 /
1
{3}{G}
Marsh Viper
Creature - Snake
Whenever Marsh Viper deals damage to a player, that player gets two poison counters. (A player with ten or more poison counters loses the game.)
1 /
2
{2}{G}
Mycosynth Fiend
Creature - Phyrexian Horror
Mycosynth Fiend gets +1/+1 for each poison counter your opponents have.
2 /
2
{2}
Necropede
Artifact Creature - Phyrexian Insect
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
When Necropede dies, you may put a -1/-1 counter on target creature.
1 /
1
{5}
Pestilent Souleater
Artifact Creature - Phyrexian Insect
{B/P}: Pestilent Souleater gains infect until end of turn. ({B/P} can be paid with either {B} or 2 life. A creature with infect deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
3 /
3
{1}{B}
Phyresis
Enchantment - Aura
Enchant creature
Enchanted creature has infect. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
{1}{B}{B}
Phyrexian Crusader
Creature - Phyrexian Zombie Knight
First strike, protection from red and from white
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
2 /
2
{3}
Phyrexian Digester
Artifact Creature - Phyrexian Construct
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
2 /
1
{3}{G}{G}
Phyrexian Hydra
Creature - Phyrexian Hydra
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
If damage would be dealt to Phyrexian Hydra, prevent that damage. Put a -1/-1 counter on Phyrexian Hydra for each 1 damage prevented this way.
7 /
7
{6}
Phyrexian Juggernaut
Artifact Creature - Phyrexian Juggernaut
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
Phyrexian Juggernaut attacks each combat if able.
5 /
5
{4}{G}{G}
Phyrexian Swarmlord
Creature - Phyrexian Insect Horror
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
At the beginning of your upkeep, create a 1/1 green Phyrexian Insect creature token with infect for each poison counter your opponents have.
4 /
4
{2}{G}
Pistus Strike
Instant
Destroy target creature with flying. Its controller gets a poison counter.
{2}
Plague Myr
Artifact Creature - Phyrexian Myr
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
{T}: Add {C}.
1 /
1
{1}{B}
Plague Stinger
Creature - Phyrexian Insect Horror
Flying
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
1 /
1
{3}{G}{G}
Plaguemaw Beast
Creature - Phyrexian Beast
{T}, Sacrifice a creature: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
4 /
3
{2}{W}
Priests of Norn
Creature - Phyrexian Cleric
Vigilance
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
1 /
4
{3}{G}{G}
Putrefax
Creature - Phyrexian Horror
Trample, haste
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
At the beginning of the end step, sacrifice Putrefax.
5 /
3
{4}{B}
Reaper of Sheoldred
Creature - Phyrexian Horror
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
Whenever a source deals damage to Reaper of Sheoldred, that source's controller gets a poison counter.
2 /
5
{2}{B}
Relic Putrescence
Enchantment - Aura
Enchant artifact
Whenever enchanted artifact becomes tapped, its controller gets a poison counter.
{2}{G}
Rot Wolf
Creature - Phyrexian Wolf
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
Whenever a creature dealt damage by Rot Wolf this turn dies, you may draw a card.
2 /
2
{2}{G}
Sabertooth Cobra
Creature - Snake
Whenever Sabertooth Cobra deals damage to a player, that player gets a poison counter. The player gets another poison counter at the beginning of their next upkeep unless they pay {2} before that step. (A player with ten or more poison counters loses the game.)
2 /
2
{4}{B}
Scourge Servant
Creature - Phyrexian Zombie
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
3 /
3
{1}{B}{B}
Septic Rats
Creature - Phyrexian Rat
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
Whenever Septic Rats attacks, if defending player is poisoned, it gets +1/+1 until end of turn.
2 /
2
{3}{W}{W}
Shriek Raptor
Creature - Phyrexian Bird
Flying
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
2 /
3
{3}{B}
Snake Cult Initiation
Enchantment - Aura
Enchant creature
Enchanted creature has poisonous 3. (Whenever it deals combat damage to a player, that player gets three poison counters. A player with ten or more poison counters loses the game.)
{4}{G}{G}
Spinebiter
Creature - Phyrexian Beast
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
You may have Spinebiter assign its combat damage as though it weren't blocked.
3 /
4
{4}{B}
Spread the Sickness
Sorcery
Destroy target creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
{2}{U}
Steady Progress
Instant
Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Draw a card.
{1}{B}{B}
Suq'Ata Assassin
Creature - Human Assassin
Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
Whenever Suq'Ata Assassin attacks and isn't blocked, defending player gets a poison counter. (A player with ten or more poison counters loses the game.)
1 /
1
{B}
Tainted Strike
Instant
Target creature gets +1/+0 and gains infect until end of turn. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
{3}{G}
Tangle Angler
Creature - Phyrexian Horror
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
{G}: Target creature blocks Tangle Angler this turn if able.
1 /
5
{3}{U/P}
Tezzeret's Gambit
Sorcery
({U/P} can be paid with either {U} or 2 life.)
Draw two cards, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
{1}{U}
Thrummingbird
Creature - Phyrexian Bird Horror
Flying
Whenever Thrummingbird deals combat damage to a player, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
1 /
1
{4}{B}{B}
Toxic Nim
Creature - Phyrexian Zombie
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
{B}: Regenerate Toxic Nim.
4 /
1
{4}
Trigon of Infestation
Artifact
Trigon of Infestation enters the battlefield with three charge counters on it.
{G}{G}, {T}: Put a charge counter on Trigon of Infestation.
{2}, {T}, Remove a charge counter from Trigon of Infestation: Create a 1/1 green Phyrexian Insect creature token with infect.
{1}
Vector Asp
Artifact Creature - Phyrexian Snake
{B}: Vector Asp gains infect until end of turn. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
1 /
1
{3}{U}
Viral Drake
Creature - Phyrexian Drake
Flying
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
{3}{U}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
1 /
4
{1}{G}{G}
Viridian Betrayers
Creature - Phyrexian Elf Warrior
Viridian Betrayers has infect as long as an opponent is poisoned. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
3 /
1
{1}{G}{G}
Viridian Corrupter
Creature - Phyrexian Elf Shaman
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
When Viridian Corrupter enters the battlefield, destroy target artifact.
2 /
2
{B}
Virulent Wound
Instant
Put a -1/-1 counter on target creature. When that creature dies this turn, its controller gets a poison counter.
{1}{B}{B}
Whispering Specter
Creature - Phyrexian Specter
Flying
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
Whenever Whispering Specter deals combat damage to a player, you may sacrifice it. If you do, that player discards a card for each poison counter they have.