Rallying Cry

Until end of turn, creatures you control have
+2/+0 and haste. Until end of turn, whenever
a creature enters under your control,
Rallying Cry deals 1 damage to all opponents
and you gain 1 life.

Litany {w}{r}, 2 Faith. (When this spell
resolves, exile it. You may cast this spell from exile
for its Litany cost. If you do, tap creatures with
Faith counters on them and remove the required
number of counters from them.)