Unfortunate Specimen

Whenever Unfortunate Specimen dies, you
may put a -1/-1 counter on target creature.
Caustic observed as the man fell to his knees.
The man's eyes grew white and began to bleed.
Caustic just observed. He considered, and then
offered consolation to the rapidly decaying
organism. "Take comfort in the knowledge that
you are now a part of something grander."