Gallowbraid the Stone-Heart

Cumulative upkeep—Pay 1 life. (At the beginning
of your upkeep, put an age counter on this permanent,
then sacrifice it unless you pay its upkeep cost for each
age counter on it.)
Gallowbraid gets +1/+1 for each age counter
on it.
As long as Gallowbraid has five or more age
counters on it, it has trample and menace.