Nagoriyuki, Nightless Samurai

Menace

Nagoriyuki gains indestructible as long as it is tapped and attacking

Whenever a vampire you control deals combat damage to a player, create a blood token

{1}: sacrifice a blood token, create a 1/1 vampire creature token
{2}, {t}: sacrifice a blood token, vampires you control get +2/+0 until end of turn