Order of the Amazon Military

When this enters the battlefield, put a +1/+1 counter on each warrior, soldier, or knight.
Whenever a creature enters the battlefield under your control, put a +1/+1 counter on
a warrior, soldier, or knight
{4}{w}{g}: Exile Order of the Amazon Military. All creatures with +1/+1 counters on them gain indestructible until end of turn.