Athena, Goddess of War

First strike, vigilance, hexproof, indestructible
{2}{r}{w}: Until end of turn, Humans you control
gain first strike and vigilance.
{4}{r}{w}: Put a +1/+1 counter on each Human
you control, then Proliferate (Choose any number
of permanents and/or players, then give each another counter of each kind already there.)