Staten Isl. Vampire Residence

{t}: Add {c}.
{t}, Pay 1 life: Add one mana of any color.
Spend this mana only to cast a Vampire spell.
{5},{t}: Create a Blood token. This ability costs
{1} less to activate for each Vampire you control.
(It's an artifact with "{1},{t} Discard a card,
Sacrifice this artifact: draw a card.")