Zebraa, Leader of the Herd

Vigilance
Elks, Camels, Ox, Pegasuses,
Unicorns, Antelopes, Giraffes,
Rhinos, Goats, Cows, and Sheep
are Zebras in addition to their other types.
Zebras you control have +1/+1
for each other Zebra you control.
"All are accepted into the herd, only zebras, of course."
-Zebraa