"As you see, these flowers . . . can have either restorative or poisonous . . . what is that?"

Herbology Instructor

When this creature enters, you gain 3 life.
{6}{B/P}: Transform this creature. Activate only as a sorcery. ({B/P} can be paid with either {B} or 2 life.)

"How dare you leave before my lesson is done!"

Malady Invoker

When this creature transforms into Malady Invoker, target creature an opponent controls gets -0/-X until end of turn, where X is this creature's power.

Herbology Instructor / Malady Invoker