Venomscale Hydra

Deathtouch, protection from black
Venomhide Hydra enters the battlefield
with X +1/+1 counters on it.
Whenever Venomhide Hydra blocks or becomes blocked by a creature with deathtouch, that creature loses deathtouch until end of turn.
"Skin boils, and eyes melt. The Venomscale
Hydra takes no prisoners"