Joan, Crime's Warden

Vigilance, haste, trample, first strike
Mentor (Whenever this creature attacks, put a
+1/+1 counter on target attacking creature with lesser
power.)
Battalion — Whenever Joan, Crime's Warden
and at least two other creatures attack, Joan,
Crime's Warden deals 3 damage to target
creature or player and you gain 3 life.
{r/w}{r/w}{r/w}, Joan, Crime's Warden loses first strike
and gains double strike until end of turn.