Griefsurge Lieutenant

As an additional cost to cast this spell, pay up to
5 life.
Griefsurge Lieutenant enters the battlefield with
X +1/+1 counters where X is the amount of life
you paid while casting this spell.
At the beginning of your upkeep, if you have
10 or less life, proliferate. (Choose any number of permanents and/or players, then give each another
counter of each kind already there.)