Cabal Zealot

{b}{b}: Cabal Zealot becomes a Human Cleric
with base power and toughness 3/3.
{b}{b}{b}: If Cabal Zealot is a Cleric, it becomes a
Human Cleric Nightmare with base power and toughness 4/4 and menace.
{b}{b}{b}{b}: If Cabal Zealot is a Nightmare, it
becomes a Human Cleric Nightmare Horror with
base power and toughness 5/5, menace, trample
and deathtouch.