Phyrexia: All Will Be One

Atmosphere Surgeon | Creature | Phyrexian Wizard | Whenever you cast a noncreature spell, put an oil counter on Atmosphere Surgeon. Remove an oil counter from Atmosphere Surgeon: Target creature gains flying until end of turn. Activate only as a sorcery. | Campbell White

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.) | José Parodi

Transplant Theorist | Artifact Creature | Phyrexian Artificer | Whenever Transplant Theorist or another artifact enters the battlefield under your control, you may draw a card. If you do, discard a card. {2}: Put target card from your graveyard on the bottom of your library. | Xavier Ribeiro

Trawler Drake | Creature | Phyrexian Drake | Flying Trawler Drake enters the battlefield with an oil counter on it. Trawler Drake gets +1/+1 for each oil counter on it. Whenever you cast a noncreature spell, put an oil counter on Trawler Drake. | Daniel Ljunggren

Unctus's Retrofitter | Creature | Phyrexian Artificer | Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) When Unctus's Retrofitter enters the battlefield, up to one target artifact you control becomes an artifact creature with base power and toughness 4/4 for as long as Unctus's Retrofitter remains on the battlefield. | Cristi Balanescu

Watchful Blisterzoa | Creature | Phyrexian Jellyfish | Flying Watchful Blisterzoa enters the battlefield with an oil counter on it. When Watchful Blisterzoa dies, draw cards equal to the number of oil counters on it. | Chris Cold

Cephalopod Sentry | Artifact Creature | Phyrexian Squid | Flying Cephalopod Sentry's power is equal to the number of artifacts you control. | Mathias Kollros

Voidwing Hybrid | Creature | Phyrexian Bat | Flying Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) When you proliferate, return Voidwing Hybrid from your graveyard to your hand. | Abz J Harding

Serum-Core Chimera | Creature | Phyrexian Chimera | Flying Whenever you cast a noncreature spell, put an oil counter on Serum-Core Chimera. Remove three oil counters from Serum-Core Chimera: Draw a card. Then you may discard a nonland card. When you discard a card this way, Serum-Core Chimera deals 3 damage to target creature or planeswalker. Activate only as a sorcery. | Johan Grenier

Tainted Observer | Creature | Phyrexian Bird | Flying Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) Whenever another creature enters the battlefield under your control, you may pay {2}. If you do, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) | Johann Bodin