Leech Medic

Creature — Leech Cleric

Poison Counter

Card

Phyresis Outbreak

Sorcery

Hidetsugu's Poison Rite

Sorcery

Prologue to Phyresis

Instant

Corrupted Resolve

Instant

Pit Scorpion

Creature — Scorpion

Virulent Wound

Instant

Sabertooth Cobra

Creature — Snake

Naturalize the Phyresis

Enchantment

Pox

Sorcery

Pulse of the Hunter Maze

Instant

Caress of Phyrexia

Sorcery

Infectious Bite

Instant

Vraska's Fall

Instant

Blitz Leech

Creature — Leech

Norn's Decree

Enchantment

Marsh Viper

Creature — Snake

Largepox

Sorcery

Fumigate

Sorcery

Swamp Mosquito

Creature — Insect

Virulent Sliver

Creature — Sliver

Syphon Soul

Sorcery

Melira, Sylvok Outcast

Legendary Creature — Human Scout

Poison the Waters

Sorcery

Putrid Leech

Creature — Zombie Leech

Bloodroot Apothecary

Creature — Squirrel Druid

Burn the Phyresis

Enchantment

Mox Poison

Artifact

Pox Plague

Sorcery

Pistus Strike

Instant