Shub-Nigguroth

Trample, Indestructible
As long as it's your turn, Shub-Nigguroth has hexproof.
At the endstep of each turn, create a 0/0 Black
horror token that has trample and "This creature enters the battlefield with X +1/+1 counters,
where X is the amount of life lost by opponents
this turn."