Penguin

Penguin is an acorn creature type, used for flightless birds with black upper parts and white underparts and wings developed into flippers for swimming under water.
==History==
Penguin has yet to be printed on a physical card. The only reference came in Unhinged, for <c>Curse of the Fire Penguin</c>, which is an aura that changes creatures into 6/5 penguins with trample.