Melkatu, Undead Tyrant

Trample, haste, undying
Other Dinosaur creatures you control have undying and "If this creature entered the battlefield from a graveyard, it is a black Zombie in addition to its other colors and types".
{1}{b}{g}, sacrifice another creature, remove a +1/+1 counter from Melkatu: Destroy target nonland permanent.
{1}{b}{r}, sacrifice another creature, remove a +1/+1 counter from Melkatu: Destroy target nonbasic land.