The Mimeoplasm

Legendary Creature — Ooze

Gigantoplasm

Creature — Shapeshifter

Dimir Doppelganger

Creature — Shapeshifter

Uugguu, the Omniplasm

Legendary Creature — Ooze

Bioplasm

Creature — Ooze

Cryptoplasm

Creature — Shapeshifter

It Came from Planet Glurg

Legendary Creature — Alien Ooze

Body Double

Creature — Shapeshifter

Progenitor Mimic

Creature — Shapeshifter

Eldrazi Mimic

Creature — Eldrazi

Vizier of Many Faces

Creature — Shapeshifter Cleric

Frankenstein's Monster

Creature — Zombie

Clever Impersonator

Creature — Shapeshifter

Sheoldred's Assimilator

Creature — Phyrexian Horror

Phyrexian Ingester

Creature — Phyrexian Beast

Mask of the Mimic

Instant

Death-Mask Duplicant

Artifact Creature — Shapeshifter

Myr Welder

Artifact Creature — Myr

Anthroplasm

Creature — Shapeshifter

Duplicant

Artifact Creature — Shapeshifter

Massimo, the Magician

Legendary Creature — Cat Wizard

Slime Against Humanity

Sorcery

Mirror Image

Creature — Shapeshifter

Vesuvan Doppelganger

Creature — Shapeshifter

Manaplasm

Creature — Ooze

Scavenging Ooze

Creature — Ooze

Gogo, Mysterious Mime

Legendary Creature — Wizard

Sakashima the Impostor

Legendary Creature — Human Rogue

Clone

Creature — Shapeshifter

Dark Impostor

Creature — Vampire Assassin

Myojin of Cryptic Dreams

Legendary Creature — Spirit