Borhyaena

Exploit (When this creature enters the battlefield, you may sacrifice a creature.)
When Borhyaena exploits a creature, target creature gets -2/-2 until end of turn.
Borhyaena was a predator and had a large head and a long, powerful neck similar to living hyenas. Its legs were cursorial, albeit less specialized than those of wolves or the marsupial thylacine.