Eldermaw of Endless Dunes

Trample
As long as you control five or more Desert lands, Eldermaw of Endless Dunes gets six +1/+1
counters.
"The traveling company witnessed the ancient wurm
rise from the desert like a whale breaching the sea. It
towered skyward, eclipsing the sun as if attempting to
engulf it out of the heavens."
—Wurmchaser Saga