Queen Mother of the Hive

First strike

When Queen Mother of the Hive enters and at the beginning of your upkeep, create a 0/1 black Alien
Egg creature token with "{1}, sacrifice this creature:
create a 2/1 black Alien creature token with wither."

Whenever a creature dies, if it had a -1/-1 counter
on it, create a 3/2 black Alien creature token with
first strike.