Imgur's Army

Cumulative upkeep —Pay 1 life
Imgur's Army gains +1/+1 and can block an
additional creature for each age counter on it.
Whenever you would gain life, you may instead
put that many age counters on Imgur's Army.
Imgur's Army gains vigilance when it has 3 or
more age counters, first strike at 6 or more and
lifelink at 9 or more.