Katumba, Warrior of the Tribe

Flying, Haste, Indestructible
When Katumba, Warrior of the Tribe enters the
battlefield, put 2 +1/+1 counters on all chickens
you control. They then have Haste and Vigilance.
Whenever a chicken enters the battlefield under
your control, put 2 +1/+1 counters on it.
It then has Haste and Vigilance.