Falrith City of Vampires

Falrith City of Vampires enters the battlefield tapped. if you control a vampire Scry 1 and untap this land
{t}: add {b} or {r} to your mana pool.
{b}{r}{t}: create a 1/1 vampire with lifelink.
"A city sitting at the peak of a mountain, excluded from normal civilization are hundreds of vampires."