Glirra, Wondersmith Prodigy

Cumulative Upkeep {0}
As long as Glirra has three or more age counters
on her, she has base power and toughness 3/4.
Constructs you control get +X/+X, where X is
the number of age counters on Glirra.
{2}, {t}: Create an 0/0 Construct artifact creature
token.