The Devout

Menace, vigilance
Whenever The Devout attacks, other creatures
you control get +X/+0 until end of turn, where
X equals your devotion to red. Creatures your
opponents control get -Y/-0 until end of turn,
where Y equals your devotion to blue.
{t}, Exile this creature: Add an amount of {g}
equal to two times your devotion to green.