Roach Warren

{x}{b}{b/g}{g}: Larva Mutation - Remove {x} Larva counters from a controlled Zerg Hatchery, Zerg Lair, or Zerg Hive to create {x} 1/3 black and green Roach creature tokens.

{3}{b/g}{g}: Ravager Morph - Transform a non-token Roach you control into a Zerg Ravager.