Desacration Of Nature

Whenever a non-token creature you control dies. Create a 1/1 Black horror token with "infect"
and "whenever a non token creature an opponent controls dies from this token, exile the creature
and put that many +1/+1 counters on this token."
The virus sometimes rejects flesh from its hosts.
These mounds are expunged and they feed on other
organic mater to grow.