Umahgo, Nature's Fury

Trample, menace
Landfall - Whenever a land enters the battlefield under your control, gain 5 life.
If a creature dealt damage by Umahgo is put into
a graveyard this turn, it's controller loses X life where X is it's converted mana cost.
The anger of the forest welled up within the earth, and from it rose the embodiment of nature's fury.