Phyrexia: All Will Be One

Crawling Chorus | Creature | Phyrexian Horror | Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) When Crawling Chorus dies, create a 1/1 colorless Phyrexian Mite artifact creature token with toxic 1 and "This creature can't block." | Michael Walsh

Sinew Dancer | Creature | Phyrexian Soldier | {3}{W}, {T}: Tap target creature. Corrupted — {W}, {T}: Tap target creature. Activate only if an opponent has three or more poison counters. | Campbell White

Skrelv, Defector Mite | Legendary Artifact Creature | Phyrexian Mite | Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) Skrelv, Defector Mite can't block. {W/P}, {T}: Choose a color. Another target creature you control gains toxic 1 and hexproof from that color until end of turn. It can't be blocked by creatures of that color this turn. ({W/P} can be paid with either {W} or 2 life.) | Brian Valeza

Swooping Lookout | Artifact Creature | Phyrexian Construct | Flying, vigilance | Mike Franchina

Glistener Seer | Creature | Phyrexian Advisor | Glistener Seer enters the battlefield with three oil counters on it. {T}, Remove an oil counter from Glistener Seer: Scry 1. (Look at the top card of your library. You may put that card on the bottom.) | Alix Branwyn

Bilious Skulldweller | Creature | Phyrexian Insect | Deathtouch Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) | Svetlin Velinov

Cacophony Scamp | Creature | Phyrexian Goblin Warrior | Whenever Cacophony Scamp deals combat damage to a player, you may sacrifice it. If you do, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) When Cacophony Scamp dies, it deals damage equal to its power to any target. | Svetlin Velinov

Exuberant Fuseling | Creature | Phyrexian Goblin Warrior | Trample Exuberant Fuseling gets +1/+0 for each oil counter on it. When Exuberant Fuseling enters the battlefield and whenever another creature or artifact you control is put into a graveyard from the battlefield, put an oil counter on Exuberant Fuseling. | Billy Christian

Sawblade Scamp | Creature | Phyrexian Beast | Haste Whenever you cast a noncreature spell, put an oil counter on Sawblade Scamp. {T}, Remove an oil counter from Sawblade Scamp: It deals 1 damage to each opponent. | Helge C. Balzer

Vindictive Flamestoker | Creature | Phyrexian Wizard | Whenever you cast a noncreature spell, put an oil counter on Vindictive Flamestoker. {6}{R}, Sacrifice Vindictive Flamestoker: Discard your hand, then draw four cards. This ability costs {1} less to activate for each oil counter on Vindictive Flamestoker. | Xavier Ribeiro

Evolving Adaptive | Creature | Phyrexian Warrior | Evolving Adaptive enters the battlefield with an oil counter on it. Evolving Adaptive gets +1/+1 for each oil counter on it. Whenever another creature enters the battlefield under your control, if that creature has greater power or toughness than Evolving Adaptive, put an oil counter on Evolving Adaptive. | John Di Giovanni

Rustvine Cultivator | Creature | Phyrexian Elf Druid | {T}: Put an oil counter on Rustvine Cultivator. {T}, Remove an oil counter from Rustvine Cultivator: Untap target land. | Lauren K. Cannon

Venerated Rotpriest | Creature | Phyrexian Druid | Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) Whenever a creature you control becomes the target of a spell, target opponent gets a poison counter. | Brian Valeza