Ankylosaurus

Trample, defender Armor 6 (This creature enters the battlefield with six armor counters on it. If it would be dealt damage, remove an armor counter from it instead.) Whenever Ankylosaurus enters the battlefield or attacks, put a +1/+1 counter on it. If you control one or more Dinosaur creature Ankylosaurus loses defender and gains vigilance. {flavor}“Its hide turns claws and fangs into harmless echoes.”