Lbg'n, the Maw Mountain

Flying, Trample
If Lbg'n, the Maw Mountain destroys a creature, you gain x amount of
colorless mana, where x is the toughness of
the destroyed creature.
"Lbg'n, Lri'j, and K"rg'h. Fang, Fire, and Wind.
To them, we are not even a morsel.To us, they
are the mountains."