Al-Emerander the Vital

Flying, Trample, Undying
{w}{b}{g}: Remove any number of +1/+1 counters
from each creature you control, then
Al-Emerander the Vital gets +X/+X until end of
turn, where X is 1 plus the number of +1/+1
counters removed this way. Activate this ability
only once each turn.
...And what would you do with the blessing of
eternal life?