Acolyte of the Fallen

{b}, {t}: Shepherd 1. (Put a +1/+1 counter on
target Army you control. If you don't control one,
create a 0 /0 Army creature token that's all of
this source's colors first.)
Whenever you cast an Angel spell, you may
pay 2 life. If you do, untap Acolyte of the Fallen.