55 cards where (the card has the keyword “Toxic” or the card has the keyword “Infect”) and the colors ≤ BUW

Annex Sentry (Phyrexia: All Will Be One #2)
Bilious Skulldweller (Phyrexia: All Will Be One #83)
Blackcleave Goblin (Scars of Mirrodin #54)
Blightbelly Rat (Phyrexia: All Will Be One #85)
Blighted Agent (New Phyrexia #29)
Blightsteel Colossus (Double Masters #235)
Blightwing Whelp (Alchemy: Phyrexia #8)
Chained Throatseeker (New Phyrexia #30)
Contagious Nim (Scars of Mirrodin #58)
Core Prowler (Mirrodin Besieged #103)
Corpse Cur (Scars of Mirrodin #147)
Crawling Chorus (Phyrexia: All Will Be One #8)
Duelist of Deep Faith (Phyrexia: All Will Be One #9)
Dune Mover (Phyrexia: All Will Be One #226)
Flensermite (Mirrodin Besieged #41)
Flensing Raptor (Phyrexia: All Will Be One #12)
Flesh-Eater Imp (Duel Decks: Mirrodin Pure vs. New Phyrexia #58)
Hand of the Praetors (Scars of Mirrodin #66)
Happy Dead Squirrel (Unfinity Sticker Sheets #8)
Ichorclaw Myr (Scars of Mirrodin #166)
Ichor Rats (Scars of Mirrodin #67)
Indoctrination Attendant (Phyrexia: All Will Be One #16)
Jawbone Duelist (Phyrexia: All Will Be One #18)
Karumonix, the Rat King (Phyrexia: All Will Be One #98)
Lost Leonin (New Phyrexia #13)
Myr Convert (Phyrexia: All Will Be One #234)
Necropede (Scars of Mirrodin #185)
Nettling Host (Alchemy: Phyrexia #3)
Nimraiser Paladin (Phyrexia: All Will Be One #101)
Norn's Fetchling (Alchemy: Phyrexia #4)
Pestilent Syphoner (Phyrexia: All Will Be One #103)
Phyrexian Crusader (Mirrodin Besieged #50)
Phyrexian Digester (Mirrodin Besieged #120)
Phyrexian Juggernaut (Duel Decks: Mirrodin Pure vs. New Phyrexia #63)
Phyrexian Vatmother (Mirrodin Besieged #52)
Plague Myr (Duel Decks: Mirrodin Pure vs. New Phyrexia #51)
Plague Stinger (Scars of Mirrodin #75)
Priests of Norn (Mirrodin Besieged #16)
Reaper of Sheoldred (New Phyrexia #72)
Ribskiff (Phyrexia: All Will Be One #240)
Scourge Servant (Mirrodin Besieged #54)
Seething Skitter-Priest (Alchemy: Phyrexia #27)
Septic Rats (Mirrodin Besieged #55)
Sheoldred's Headcleaver (Phyrexia: All Will Be One #109)
Shriek Raptor (New Phyrexia #24)
Skithiryx, the Blight Dragon (Double Masters #107)
Skrelv, Defector Mite (Phyrexia: All Will Be One #33)
Stinging Hivemaster (Phyrexia: All Will Be One #110)
Tine Shrike (Mirrodin Besieged #17)
Toxic Nim (New Phyrexia #75)
Unctus's Retrofitter (Phyrexia: All Will Be One #76)
Venser, Corpse Puppet (Phyrexia: All Will Be One #219)
Viral Drake (New Phyrexia #49)
Voidwing Hybrid (Phyrexia: All Will Be One #221)
Whispering Specter (New Phyrexia #77)

The arc of my blade has carved a path of light to the end of these results.