Courtyard of the Shadowborn

{t}: Add {c}.
{t}, Pay 1 life: Add one mana of any color. Spend
this mana only to cast a Cultist spell.
{3}{b}, {t}: Create a 1/1 black Cultist creature
token.
Tap and sacrifice 5 untapped Cultists you
control: Search your deck for a Demon creature
card, put it into your hand, then shuffle.