Gehrman, The First Hunter

Double strike, Trample
Gehrman, The First Hunter enters the battlefield
with X +1/+1 counters on it where X is the
number of hunters who died this turn.
As long as your life total is below 5, Gehrman,
The First Hunter has indestructible and
"Whenever this creature deals combat damage
to a player, that player loses the game".