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.
![Canker Abomination [Ultimate Masters]](http://www.cardmerchanttakapuna.co.nz/cdn/shop/products/8e373e60-81b1-5473-92dc-21d9ef976405_4f86fa8b-7280-420e-a691-d50320b27374.jpg?v=1698565850&width=1445)