Lorelith, The Divine Hymn

Flying, Vigilance, Ward {x} where X is the number
of colors among other Angels you control.

Angel spells you cast cost {w}{u}{b}{r}{g} less to cast. This effect reduces only the amount of colored mana you pay.

You may cast Angel spells from your graveyard.

Lorelith, The Divine Hymn gets +1/+1 for each Angel you control.