Tigrex

Haste
Feast 1 - Whenever Tigrex defets a creature
Feast on it, for each creature defeted Tigrex
recives a +1/+1 counter and gains Trample.
Fatigue - If Tigrex hasn't had a Feast for two
turns, remove all effects of Feast 1.
~It will travel far and wide in search of prey.