Abominação Ulcerosa / Canker Abomination

Canker Abomination {2}{B/G}{B/G}
Creature — Treefolk Horror
As Canker Abomination enters the battlefield, choose an opponent. Canker Abomination enters the battlefield with a -1/-1 counter on it for each creature that player controls.
Once the hideous disease takes hold, it spreads through both bark and mind.
6/6
Illustrated by Brandon Kitkouski