Tartoum, the Earthshaker

Mutagen (When this creature dies, you may move
all of its counters onto target creature.)
Tartoum, the Earthshaker enters the battlefield
with a trample counter on it.
When Tartoum, the Earthshaker deals combat
damage to a player, you may remove a counter
from it. If you do, destroy up to one target
artifact or enchantment that player controls.