Phyrexian Lizarcroc

Deathtouch, islandwalk, swampwalk, forestwalk
Whenever you cast a Horror creature spell, put a token onto the battlefield that's a copy of Phyrexian Lizarcroc.
Whenever an opponent is dealt combat damage from Phyrexian Lizarcroc, put a -1/-1 counter on target creature.
It lurks where you least expect it to.