Phyrexia: All Will Be One

Chrome Prowler | Artifact Creature | Phyrexian Cat | Flash When Chrome Prowler enters the battlefield, tap target creature an opponent controls. | Maxime Minard

Gitaxian Raptor | Creature | Phyrexian Bird | Flying Gitaxian Raptor enters the battlefield with three oil counters on it. Remove an oil counter from Gitaxian Raptor: Gitaxian Raptor gets +1/-1 until end of turn. | Maxime Minard

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, Grand Metatect | Legendary Artifact Creature | Phyrexian Vedalken | Other blue creatures you control have "Whenever this creature becomes tapped, draw a card, then discard a card." Other artifact creatures you control get +1/+1. {U/P}: Until end of turn, target creature you control becomes a blue artifact in addition to its other colors and types. Activate only as a sorcery. ({U/P} can be paid with either {U} or {2} life.) | Andrew Mar

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

Malcator, Purity Overseer | Legendary Creature | Phyrexian Elephant Wizard | When Malcator, Purity Overseer enters the battlefield, create a 3/3 colorless Phyrexian Golem artifact creature token. At the beginning of your end step, if three or more artifacts entered the battlefield under your control this turn, create a 3/3 colorless Phyrexian Golem artifact creature token. | Johann Bodin

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